Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use thenormal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why anduse the binomial distribution to find the indicated probabilities.A survey of adults found that 8% say their favorite sport is auto racing. You randomly select 400 adults and ask themto name their favorite sport. Complete parts (a) through (d).Determine whether a normal distribution can be used to approximate the binomial distribution. Choose the correctanswer below.A. Yes, because both np ≥5 and nq ≥ 5.OB. No, because nq <5.OC. No, because np < 5.(a) Find the probability that the number of people who say auto racing is their favorite sport is at most 38.(Round to four decimal places as needed.)Correct

In order to use normal approximation to binomial distribution, both np and nq must be greater than…

Answered: Decide whether you can use the normal…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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omework Assessment A Dashboard + ent/showtest.php The average final exam score for the statistics course is 76%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is different. The final exam scores for the 12 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 70, 60, 54, 59, 73, 87, 52, 86, 56, 75, 52, 73 What can be concluded at the the a=0.10 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?v ?v H1: ? ?v c. The test statistic ?v= (please show your answer to 3 decimal places.) d. The p-value : (Please show your answer to 4 decimal places.) e. The p-value is ? a f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly…
Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 8% say their favorite sport is auto racing. You randomly select 600 adults and ask them to name their favorite sport. Complete parts (a) through (d). Determine whether a normal distribution can be used to approximate the binomial distribution. Choose the correct answer below. O A. No, because ng < 5. O B. Yes, because both np25 and ng 25. O C. No, because np <5. (a) Find the probability that the number of people who say auto racing is their favorite sport is at most 56. |(Round to four decimal places as needed.)
A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the distribution? Use a = 0.025. Complete parts (a) through (d). Response Old Survey % 29% New Survey Frequency, f Rewards 110 Low rates Cash back Discounts 23% 96 21% 109 7% 46 Other 20% 64 O B. The distribution of motivations is 110 rewards, 96 low rate, 109 cash back, 46 discounts, and 64 other. O C. The distribution of motivations is 29% rewards, 23% low rate, 21% cash back, 7% discounts, and 20% other. Which hypothesis is the claim? o Ho (b) Determine the critical value, Yo, and the rejection region. X = 11.143 (Round to three decimal places as needed.) Choose the correct rejection region below. Oc. X
Find the margin of error for the given values of c, s, and n. c%3D0.95, s%3D3.6 , n 16 F Click the icon to view the t-distribution table. The margin of error is (Round to one decimal place as needed.) Get more help-
Please assist.
Solve for the mean, median, mode, standard deviation and Identify whether there is an outlier. If so, solve for the new mean, median, mode and standard deviation if the outlier is to be eliminated. 325,345,384,369,384,396,336,305,328,357
A survey of 30 people was conducted about how many siblings they had. A graph was created that showed the percentage of the survey group, which had each number of siblings. The "frequency" column in the table shows the number of responses that having a certain number of siblings received. Using appropriate and precise statistical terminology, describe the distribution and provide an explanation for the distribution being a certain way.
Use the dataset below to fill in the blanks. The space between the data and the blanks isprovided so that you can show each data value's deviation and each data value's deviation squared.Sixteen families were selected at random and the number of children in each was recorded 0 0 0 1 1 2 2 2 2 2 3 3 4 6 8 12
Create a probability distribution table for your data. Data: 0.20, 0.20, 0.46, 0.46, 2.10, 2.10, 5.50, 11.80, 12.20, 12.20, 13.22, 14.65, 16.07, 17.49, 18.91, 20.33, 20.50, 20.50, 21.75, 23.18
D. Tell whether the distribution has a small or large variance E. Compute the actual variance and standard deviation
Number of Number of patients lesions Cholestyramine group Placebo group 64GAONTO 3 5 7 8 >10 Total 5 4 6 5 7 8 4649 00 6 7 2 60 2 4 6 697524 8 57 You have a choice between Poisson and negative binomial distributions, as possible models for the number of lesions in the cholestyramine group. Using the x²-test check which distribution better fits the data (e.g., results in smaller chi-square statistic). For the negative binomial use r=4 and p = 0.44, and for the Poisson use λ = 4.6.
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