12. Of the bolts manufactured for a certain application, 85% meet the length specification and can be use immediately, 10% are too long and can be used after being cut, and 5% are too short and must be scrappe Eight bolts are selected at random. a What is the probability that one or more is too short? b What is the probability that seven or more are not too short? c What is the probability that more than three are either too long or too short? d What is the probability that exactly six are either too long or too short?

Q: 4. A new procedure for the determination of sulfur in coal was tested on a standard coal sample with…

A: Given information: μ=2.14 The new procedure gave results of 2.11%, 2.07%, 2.04%, 2.06%, and 2.16%…

Q: Kindly help to explain. I want to be able to follow through and understand it myself. Thank you.…

A: Given information: A part that is manufactured in your shop has an inside diameter that varies…

Q: 4. A deck of playing cards consists of four suits: hearts, clubs, diamonds, and spades. Each suit…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Use the graph to the right to answers parts a and b. a. For the normal distribution shown to the…

A: From the provided information, The normal distribution is shown to the right and the area to the…

Q: Create a 95% confidence interval for the population proportion of Orange candies.  sample size is…

A: From the provided information, Confidence level = 95% Sample size (n) = 30 Point estimate (p̂) =…

Q: The correlation coefficient between daily ration of green grass and rate of growing calves on the…

A:

Q: A teacher gives an unannounced, three-question true-false pop quiz, with two possible answers to…

A: Teacher gives Unannounced, three questions true-false pop quiz, with two possible answers for each…

Q: The stem-and-leaf plot shows the test scores of a science class. How many students scored 75?…

A: Here we have to identify from given stem-leaf plot how many students scored 75

Q: An ordinary (fair) coin is tossed 3 times. Outcomes are thus triples of "heads" (h) and "tails" (t)…

A: It is given that an ordinary coin is tossed 3 times.

Q: f. Interpret the y-intercept of the linear regression line in the context of the data. Then, state…

A: Regression equation Y = ax + b This equation represent the relationship between dependent variable…

Q: THE Review View Wrap Text *Merge & Center - Alignment General Answer - %9 Number B 88 Conditional…

A:

Q: Respondents Sex Age Smoking Status Exercise Weight IQ Score 1 Female 27 Moderate Light 120 118 2…

A: IQ Score Distribution of the respondents is given in the table below: Respondents Sex Age…

Q: Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. The store…

A: given data   17 - have secret decodering 39 - have different gifts __________________________ 56 -…

Q: For a particular tool, a factory does not use the tool on 10% of days; uses the tool once on 50% of…

A: It is given that a factory does not use the tool on 10% of days; uses the tool once on 50% of days;…

Q: QUESTION 5 Assume that we estimated the following model by OLS: y B. + Bx+u. The sample size of the…

A: Question 5 Given The given data is as follows: y=β1+β2x+u Sample size, n=62seβ1=1seβ2=2 The…

Q: Two friends have decided to take a Welding class together. Virgil got 38 on the first quiz of the…

A: Here, Two friends have decided to take a welding class together Virgil got 38 on the first quizThe…

Q: 2. The stemplot below shows the weights of 30 male high school students from Small Rock High School.…

A:

Q: The mean life of a person who has had a heart transplant is about 12 years. Find the probability…

A: Answer: From the given data, Mean life of a person who has had a heart transplant is = λ = 12 years…

Q: 6. How many times would you expect to toss the coin in order to obtain three heads? 03 06 07 O 10

A: given data  find no. of times we have to toss the coin in order to obtain three heads.  P(head) =…

Q: Let X be a random variable with the following probability distribution. Value x of X 3 4 5 6 7 P X=…

A: Answer: Using the given probability distribution, We have, a) The expectation E(X) of X is

Q: Let X be a random variable with the following probability distribution. Valuex of X 40 50 60 70 80…

A: Given data is Value x of X P(X=x) 40 0.15 50 0.15 60 0.25 70 0.30 80 0.05 90 0.10

Q: 16) A stationary random process has an autocorrelation function of -Siz Ry(t)=16-e cos 20rt+8…

A:

Q: I'm trying to forecast how many TVs my shop will sell in 2021. I have data for the previous 3 years:…

A: It is given that the forecast method for 2019 is 35.

Q: A company produces optical-fiber cable with a mean of 0.5 flaws per 100 feet. What is the…

A: given data λ = 0.5 flaws per 100 feet'x = number of flaws in t feetsP(x=X) = e-λt(λt)xx! for 1500…

Q: Round all answers to 4 decimal places. a. A bag contains 9 white marbles, 4 red marbles, and 5 green…

A: Given that  A) Total marbles = N = 9 + 4 + 5 = 18 White Marbles = W = 9 Red marbles = R = 4  Green…

Q: Let X be a random variable with the following probability distribution. Value  x  of  X P (X = x) 20…

A: It is given that, X is a random sample. The given data follows probability distribution. We have to…

Q: Consider data on every game played by the Brooklyn Nets in 2014 (82 games) that includes the…

A: Given Information: Consider the given output that gives the regression line equation:…

Q: calculate the correlation coefficient to three decimal places, x is 4,5,6,7,8,9,  y,…

A: Given information-

Q: For Education (in years), Bar chart is recommended A- true  B- false

A: The pictorial representation of the categorical data set using vertical or horizontal rectangular…

Q: The ols() method in statsmodels is used to fit a simple linear regression model using "Exam4" as the…

A: From the given data we can write the equation that,  Exam4=68.9576+0.1028 Exam3

Q: Randomization is one of the basic principles of Design of Experiments (DOE). Explain what…

A: Solution-:  Randomization is one of the basic principles of Design of Experiments (DOE). Explain…

Q: About % (rounded to two decimal places) of the area under the curve of the standard normal…

A: we have to find area under standard normal curve  outside the interval Z =[-0.22.0.22]   as we know…

Q: Identify the sampling technique used. A community college student interviews everyone in a…

A: According to the given information, we have Given that a community college student interviews…

Q: Lottery: In the New York State Numbers lottery, you pay $1 and can bet that the sum of the numbers…

A: From given data we have : Winning amount = $9 Winning probability = 0.055 Losing amount = $1 Losing…

Q: which is the best sampling method for qualitative research, with a target population of 30?

A: Introduction There are 2 types of sampling method: Probability sampling method Non-probability…

Q: Workers of an insulation manufacturer are undergoing testing for asbestos traces in their lungs.…

A: From the provided information, Three employees with positive traces are requested to be sent to a…

Q: A group of data items and their mean are given. 15, 25, 35, 60, 90, 135; Mean = 60 a Find the…

A: We have given data are 15,25,35,60,90,135 Mean = 60

Q: Products coming through an assembly line are visually inspected by two succes- sive inspectors. When…

A: P(item escape from 1st inspector) = 0.1 2nd inspector will fail to catch 40% defective items passes…

Q: Consider data on heights of husbands and wives for a sample of 199 married couples in the UK…

A: Regression Equation: The Regression Equation is used to predict the response or dependent variable y…

Q: small liberal arts college in the Northeast has 150 freshmen. Fifty of the freshmen are education…

A: Given that  n = 30 , N = 150 , K = 50  30 freshman are randomly selected (without replacement). So…

Q: a production process has a defective rate of 2%, that is 2% of all items produced are defective. the…

A: Here we are asked to find the conditional probability P(A'/B')   The detailed calculation with…

Q: Income (in Dollars) 40,000 32,000 24,000 16,000 8000 Per Capita Personal Inc ne by State for 2003…

A: The bar chart shows the per capita personal income by state for 2003.

Q: Twenty participants were given a list of 20 words to process. The 20 participants were randomly…

A: Note:Hi, there! Since, multiple questions are posted. We are answering first question for you.…

Q: A mock CAASPP (California Assessment of Student Performance and Progress) exam w given to 1000 high…

A: The objective is to identify the five-number summary from the given cumulative frequency graph.

Q: Now fx,(x) = *(0,)(x), and Fx₁(x) =(1-e1⁰0*)(0, ∞)(x);

A: Given,f(x)=1100e-1100x         ; 0<X<∞

Q: For a given set of bivariate data, the following result were obtained. n²100, EX= 5000; EV = 10000;…

A:

Q: P(t10>1.75), where t10 has a t distribution with 10 degrees of freedom

A: Answer: From the given data, Given distribution is t distribution Degrees of freedom (df) = 10

Q: what is probability

A: Probability is ranges between 0 to 1.

Q: Show that: (i) If all A's are B's and all B's are C's, then all A's are C's (ii) If all A's are B's…

A:

Q: In a hand of poker, 5 cards are dealt from a regular deck of 52 playing cards. How many different…

A: Given,Total no.of cards=52no.of club cards=13no.of hearts=13