Describe the shape of the sampling distribution of p. Choose the correct answer below. OA. The shape of the sampling distribution of p is not normal because n ≤0.05N and np(1-p) < 10. B. The shape of the sampling distribution of p is approximately normal because n ≤0.05N and np(1-p) ≥ 10. OC. The shape of the sampling distribution of p is not normal because n ≤0.05N and np(1-p) ≥ 10. A OD. The shape of the sampling distribution of p is approximately normal because n ≤0.05N and np(1-p) < 10. Determine the mean of the sampling distribution of of p. (Round to three decimal places as needed.) HA = Determine the standard deviation of the sampling distribution of p. (Round to three decimal places as needed.) OA = р

Q: Trials in an experiment with a polygraph include 99 results that include 22 cases of wrong results…

A: a. Suppose p is the true proportion of correct results from polygraph.

Q: Español Events A and B are mutually exclusive. Suppose event A occurs with probability 0.4 and event…

A: It is given that P(A) =0.4 and P(B)=0.35.

Q: The following table shows the data of 99 people about their gender and height. (images) - Can it be…

A: Given information, The provided table shows the data of 99 people about their gender and height.…

Q: Plot the points in the grid below, then sketch a line that best fits the data. Use the line above…

A: From the above data  Here Dependent variable y is Quiz 2 And  Independent variable x is Quiz 1…

Q: Suppose a life insurance company sells a $270,000 1-year term life insurance policy to a 20-year-old…

A: It is given that the probability that the female survives the year is 0.999544.

Q: Which gender is taller, males or females? A sample of 14-year-olds from the United Kingdom was…

A: Data given for heights for male and female N(male) = 17 N(female) = 22

Q: ppose à pulations as shown. ABC D 490 School Students 410 496 1074

A: Question 6 Given, Suppose a school district needs to distribute 13 counselors among four different…

Q: Exercise 1: The weight of a random scone sold by your favorite bakery has a mean of 105g I a…

A: Given: μ = 105 σ = 5 Formula Used: Z-score= X-μσn

Q: A study recently published by Medicare claims that there is no difference between the average…

A: The question is about identifying appropriate test Introduction : 1 ) Independent samples test :…

Q: For their final project, a group of Statistics students investigated their belief that female's text…

A: Male :  83,42,34,61,20,23,55,23,24,126,56,30,127,34,26,12 Arrange data :  12, 20, 23, 23, 24, 26,…

Q: Tasks Construct a frequency table with the following information: lower class boundary, upper class…

A: Data in ascending order:-  1 14 2 35 3 83 4 99 5 99 6 205 7 208 8 209 9 261 10…

Q: According to an exit poll for an election, 53.7% of the sample size of 830 reported voting for a…

A: Followings are the Explanation of the question  Use the one sample Z proportion test    Given that,…

Q: The fill amount of bottles of a soft drink is normally distributed, with a mean of 1.0 liter and a…

A: given data,normal distribution μ=1σ=0.05n=25 we have to find out the given probabilties for the…

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 7 for the population of…

A: It is given that  Standard deviation, σ = 7 Margin of error, E = 2 Confidence level = 99%

Q: The random variable X is normally distributed such that X~N(?, 12). It is known that ?(? > 32) =…

A: Given that,  The random variable X is normally distributed such that X~N(?, 12). It is known that…

Q: If n=23, ¯xx¯(x-bar)=45, and s=6, find the margin of error at a 95% confidence level

A: Given : n=23 s=6

Q: An IT technician recorded the time in minutes per user in a random sample of 49 students on social…

A: given data, n=49CI=0.95α=1-0.95=0.05CI:(158.2,196.8)

Q: An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted…

A: Given A fair die is rolled twice

Q: Bibbins Manufacturing produces softballs and baseballs for youth recreation leagues. Each softball…

A: Soft ball :  Production cost = $11  Selling cost = $17  Base ball :  Production cost = $10.5…

Q: Construct a frequency table with the following information: lower class boundary, upper class…

A:

Q: Pulling Apart Wood. How heavy a load (in pounds) is 4step needed to pull apart pieces of Douglas…

A: It is given that the strength of pieces of wood like these follows a Normal distribution, with…

Q: ou intend to estimate a population proportion with a confidence interval. The data suggests that the…

A: given data,  estimate a population proportion with a confidence interval.here the data suggest that…

Q: ple of size 320 with 141 successes. Enter your answer as an open-interval (i.e., parentheses) using…

A: Given that  Sample size n =320 Favorable cases x =141 Sample proportion p^=x/n  =141/320 =0.4406

Q: Exhibit 12-4 In the past, 35% of the students at ABC University were in the Business College, 35% of…

A: It is given that the data of students of ABC university.

Q: You measure 49 randomly selected textbooks' weights, and find they have a mean weight of 31 ounces.…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: For a random sample of  70  overweight men, the mean of the number of pounds that they were…

A: Given information Sample size n = 70 Sample mean x̅ = 28 Population standard deviation σ = 3.8…

Q: 4. A Car Wash establishment operates with the number of cars that come per hour to be modeled by a…

A:

Q: When a recent survey asked subjects whether it should or should not be the government's…

A: According to the given information in this question We need to construct 95% confidence interval

Q: 12. Born to get old? Is there a relationship between the gestational period (time from conception to…

A: The simple regression line equation provides an estimate of the population regression line. It…

Q: According to the 2011 Gallup daily tracking polls (https://www.gallup.com, February 3, 2012),…

A: P= 53.4% = 0.534  N= 100  Success = 50

Q: The weight of a green forest frog has a normal distribution with mean 150.3 g and a standard…

A: given data, normal distribution μ=150.3σ=5we have to find out the given probabilties

Q: Carry your intermediate computations to three or more decimal places and round your answers as…

A: Note: Thank you for the question. Since multiple subparts are posted, we are answering the first…

Q: Which of the following statements can we determine from the graph below? Normal quantile 2 1 0- -1-…

A: Standrad qq plot for normal distribution look like.

Q: Construct a frequency table with the following information: lower class boundary, uppe class…

A: Given battery life span in hours :…

Q: A report finds that two in five subprime mortgages are likely to default in the United StatesA…

A: Given,n=5x=2p^=xnp^=25=0.4(1-p^)=1-0.4=0.6α=1-0.99=0.01α2=0.005Z0.005=2.576

Q: An educator wants to construct a 99% confidence interval for the true proportion of California…

A:

Q: You measure 45 backpacks' weights, and find they have a mean weight of 37 ounces. Assume the…

A: Given sample size n=45, sample mean x̄=37, population standard deviations σ=3.5

Q: (a) Which of the following must be true about Kareem's and Leila's scores? Both Kareem and Leila…

A: It is given that the Kareem’s score was at the 44th percentile and Leila’s score was at 93rd…

Q: A normal random variable X is given with a mean = 22 and a standard deviation o=17 Give an…

A: Here, μ=22 and σ=17.

Q: An online dating company wants to investigate perceptions of the services they offer. Two…

A: Part A: It is needed to test whether more than half of single people believe that online dating is…

Q: You are performing a left-tailed test with test statistic 2= 0.06, find the p-value to 4 decimal…

A: given data  left tailed test z = -0.06  p value = ?

Q: For a random sample of  70  overweight men, the mean of the number of pounds that they were…

A: Here, n = 70, CL = 0.99, x=28, and σ=3.8

Q: 3. Consider Pulling from a Christmas bag of M&M candies. Thus there are only red and green M&Ms…

A: With the defined events specified as success or failure, for k no. of successes from n no. of…

Q: How is grit related to an individual's overall personal achievement, which includes income,…

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

Q: (a) Which of the following must be true about Deshaun's score? Deshaun scored higher than about 68%…

A: It is given that  Deshaun’s percentile = 32nd Susan’s percentile = 66th

Q: Starting at a fixed time, each car entering an intersection is observed to see whether it turns left…

A: "Here the drop down options for question a) are not visible."   A discrete random variable is a…

Q: Use the standard normal distribution or the t-distribution to construct a 90% confidence interval…

A: Given data Mean = 3.56 Sd= 0.47 N=21

Q: An online poll​ asked: "Do you believe the Loch Ness monster​ exists?" Among 21 comma 500…

A: given data,n=500p^=0.67α=0.01claim that most people believe that the Loch Ness monster…

Q: 4. If your degrees of freedom is 98, your sample size when conducting a t test for dependent means…

A: It is given that the blank spaces related to t-test. Here, need to find out the correct value for…

Q: (b) What does the scatter diagram developed in part (a) indicate about the relationship between age…

A: Solution: The independent variable (x) is Age (years) The dependent variable (y) is Price ($)