You roll a fair die seven times. What is the probability that the die lands on the number 4 on exactly three of the six rolls? (3) (1/6)³ (5/6) ¹ (2) (2/6)*(4/6)4 (3) (2/6)*(4/6)4 O

Q: P(kingfish) = (Simplify your answer. Type a fraction.)

A: It is given that  The total number of fish = 63 Number of Kingfish = 26

Q: For a right skewed distribution; one of the following statements is correct: A) The mean and the…

A: For normal distribution :  Data is normally distributed  Mean = Median = Mode  For right skewed :…

Q: 4. You toss a coin 30 times and it comes up tails 8 times. What is the experimental probability of…

A: n=number of coin tossed  n=30, number of head =8  X=8

Q: a Airlines quotes a flight time of 6 hours, 15 minutes for its flight from Los Angeles (LAX), USA to…

A:

Q: Problem #5: A 2-digit code is obtained as follows. The first digit is a random integer from 0 to 5…

A: To find the number of outcomes in the given events, we need to consider the possible values for the…

Q: (c) When is this distribution used in the real world?

A: The Weibull distribution is commonly used in the real world to model failure times of components,…

Q: Verify that the function corresponding to the following figure is a valid probability density…

A: The objective is to verify whether the function based on the given figure is a valid probability…

Q: why the part I circled is k-1 rather just k? I made my assumption using red words, please tell me…

A: In the given problem, the student is concerned about the use of (k-1) term in the explanation. To…

Q: 1. If X220, the probability that a man aged x marries at time t from the present is 15dt/(t+x)²2.…

A: It is given that the probability that a man aged x marries at time t from the present is 15t+x2dt…

Q: X is a continuous random variable and its density function is Jkx ƒ₂(x) = { {0 What is k? O a. 1 O…

A: Given the pdf. of a continuous random variable f(x) = kx0≤x≤10otherwise What is k?

Q: A population of values a normal distribution with mu = 123.8 and Sigma = 24.9 A random sample of…

A: Answer: From the given data, Mean (μ) = 123.8 standard deviation (σ) = 24.9 Sample size(n) = 34 X…

Q: d. Test the null hypothesis by computing the test statistic Z. What is your value for Z? e. What is…

A: sample size=10000000 80 but errors  we have to find d....Test statistic Z  e...p value f...…

Q: 2. Identify which of the following relationships are true and which are false, and explain the…

A: Please note that as per our guidelines if multiple sub-parts are there in a question we can answer…

Q: A hat contains 5 marbles; one blue, one red, one orange, one green, and one yellow. Two marbles are…

A: From the provided information, A hat contains 5 marbles. One blue, one red, one orange, one green,…

Q: The annual premium for a $20,000 insurance policy against the theft of a painting is $350. If the…

A: Given Annual premium=$20,000insurance policy against theft=$350The probability that will be stolen…

Q: Which of the following two events is more likely? (a) With four throws of one die, throw at least…

A: Which of the following two events is more likely:-(a) With four throws of one die, throw at least…

Q: During February 2019, the major U.S. airline with the fewest delays was Delta: 78.5% of their…

A: During February 2019, the major U.S. airline with the fewest delays was Delta: 78.5% of their…

Q: In an experiment where you toss a dice until you obtain a 1. What is the probability that you obtain…

A:

Q: A bag contains 1 gold marbles, 9 silver marbles, and 27 black marbles. Someone offers to play this…

A: 1 gold, 9 silver, 27 black

Q: Technology Results Pooled proportion: 0.40 Test statistic, z: 13.2930 Critical z: 1.2816 P-value:…

A: According to the given information in this question We need to answer all the parts

Q: Suppose that the lifetime of a component (in hours) is modeled with a Weibull distribution with 3 =…

A:

Q: The​ (hypothetical) table below shows the relationship between the number of hours students work at​…

A: Answer:- From the above information,  Number of students who graduates in over 6​ years and works…

Q: Suppose we want to choose 6 letters, without replacement, from 8 distinct letters. (a) How many…

A: Number of choosen letters (r) = 6 Total number of letters (n) = 8  Consider a situation where r…

Q: Each of the letters A through J are printed on tiles that are placed in a hat. Andre selects a tile…

A: Each of the letters A through J are printed on tiles that are placed in a hat. Andre selects a tile…

Q: Black or white? Your friend chooses his sartorial color scheme by putting all of his black and white…

A: Your friend chooses his sartorial color scheme by putting all of his black and white T-shirts in a…

Q: What is the probability that a person has to wait more than 29 minutes ?

A: The amount of time that people spend going through airport security at a busy airport is normally…

Q: How many three – digit numbers can be formed from the digits 1, 2, 5, 6, and 9 if each digit can be…

A: P(n,r)= n!/(n-r)!   where n is the number of elements in the set and r is the number of chosen…

Q: The following excerpt is from an article in The New York Times in July 1999.T While statistics are…

A: Answer:- Given, For every 10 ventures that receive financing-and there are plenty that do not-2 will…

Q: 2. There are 9 white balls and only 1 red balls in a box, now each of 10 people takes out 1 ball…

A: As per policy I have calculated first main question plz REPOST for remaining question    There are 9…

Q: Suppose X has a normal distribution with mean 125 and standard deviation 15.  Which of the following…

A: Mean=M=125, Standard deviation=S=15

Q: A standard 52-card deck contains cards of 4 suits and 13 ranks, each card being a unique pair of…

A: A standard deck of cards contains suits =4  Total number of cards in each suit =13 A hand set…

Q: Here is a table showing all  52 cards in a standard deck. Suppose one card is drawn at random from…

A: Answer:- From the given table of cards ,  Total number of cards, n = 52  Number of red cards is,…

Q: Construct a frequency table using a class interval width of 0.2 starting at 0.15. Type integers or…

A: Class interval 0.15-0.35 0.35-0.55 0.55-0.75 0.75-0.95 0.95-1.15 1.15-1.35 1.35-1.55…

Q: A website sells custom messenger bags in 4 sizes. For each​ size, there are 53 ​color/fabric…

A: There are 4 sizes of messenger bags, so that gives us 4 options. For each size, there…

Q: the following probability density function.   a.  Select the probability density function.   1.…

A: a) A continuous type X is said to follow uniform distribution over interval [0,1] l.e This is an…

Q: Part 2: Carnival Games At the carnival, you may remember a game where you throw darts to pop two…

A: Given the game, where we throw darts to pop two balloons from a wall. There are 50 balloons on the…

Q: 13. What is the probability that a randomly chosen point will fall within the shaded area? The…

A: We know that for a circle the area of sector is given as: Area of sector=θ360×π×r2Here we have θ=60,…

Q: No Commute 0-1 Hr Commute >1 Hr Commute Sum Restaurant 3 10 28 41 Take Out Home Cooked 10 18 22 50…

A: As per our guidelines we are suppose to answer only three sub parts. P(more than a 1 hour commute)

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: To construct a scatterplot, we plot the points (80.6, 5.3), (79.5, 8.9), (57.5, 3.4), (67.0, 1.7),…

Q: An example of two mutually exclusive events from a standard deck of cards A. Aces and spades…

A: Mutually exclusive event:  An event is said to be mutually exclusive event of A⋂B =Φ, which means…

Q: Ville and Kalle ride separate buses to the city center in order to meet. Their buses start at the…

A:

Q: Given the following information, n = 36, x = 60, s = 12 H0: ? ≥ 69 Ha: ? < 69 what is the test…

A: From the provided information, n = 36, x = 60, s = 12 H0: µ ≥ 69 Ha: µ &lt; 69

Q: Suppose we want to choose 5 objects, without replacement, from 9 distinct objects. (a) If the order…

A: Solution-: Given: Number of distinct object =9 Selected objects (without replacement)=5 We want to…

Q: On a standardized exam, the scores are normally distributed with a mean of 120 and a standard…

A: Mean(μ)=120 Standard deviation(σ)=10 Raw score(X)=115

Q: A study determined that 6% of children under 18 years old lived with their father only. Find the…

A: The random variable X is the number of children under 18 years old who lived with their fathers only…

Q: f(x) 811 1 12 1 24 108 120 132 Flight Time in Minutes 144 X (d) What is the expected flight time, in…

A: Delta Airlines quotes a flight time of 2 hours and 6 minutes for a particular flight. Suppose we…

Q: 0 0 0 0 0 Mean 9.7850 12.2365 14.4460 15.6450 13.0281 df1 mogeneity of Variances 3 Sum of Squares…

A: Yes, the appropriate p value is &gt; 0.05 Support : Below is detailed hypothesis testing…

Q: Suppose that the weight of an newborn fawn is Uniformly distributed between 2.5 and 3.7 kg. Suppose…

A: The random variable X is the weight of a newborn fawn It is uniformly distributed. X~U(a=2.5,b=3.7)…

Q: 4. The reservation office for Central Airlines has two agents answering incoming phone calls for…

A: From the given information we have, the number of serves in the system is s=2 agents answering…

Q: 4. Suppose there are four products, let be the event that the ith product is salable product (i = 1,…

A: As per policy I have calculated 3 subparts kindly REPOST for remaining parts   Suppose there are…