Determine whether you can use a normal distribution to approximate thebinomial distribution. If you can, use the normal distribution to approximatethe indicated probabilities and sketch their graphs. If you cannot, explainwhy and use a binomial distribution to find the indicated probabilities.Identify any unusual events. Explain.In a survey of U.S. adults, 19% said that they have participated in a clinicaltrial. You randomly select 220 U.S. adults. Find the probability that thenumber who have participated in a clinical trial is (a) no fewer than 34, (b)more than 44, and (c) between 39 and 49 inclusive.Determine whether a normal distribution can be used to approximate thebinomial distribution. Choose the correct answer below.O A. No, because np < 5.B. No, because nq < 5.OC. Yes, because both np 25 and nq ≥ 5.

Proportion of adults who said they have participated in a clinical trial is 0.19.Randomly selected…

Answered: Determine whether you can use a 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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The first picture is the question and the second is the ones that I need help with. Thanks!
The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 20, 23, 13, 16, 16, 20, 16, 14, 15 O The range is . (Simplify your answer.)
compute the range, variance, and standard deviation. Write a paragraph interpreting your results. Major Education,Social Science, Computer, Science Business,Other Dorm A 20 7 3 10 7 Dorm B 10 17 4 7 10
A carpet manufacturer is inspecting for flaws in the finished product. If there are too many blemishes, the carpet will have to be destroyed. He finds the number of flaws in each square yard and is interested in the average number of flaws per 10 square yards of material. The sample mean, ?¯x¯ , for the 10 square yards will have what type of distribution? binomial Neither of the answer options is correct. Normal
Construct a probability distribution for the sum shown on the faces when two dice, each with 8 faces, are rolled. 1. Find the mean. Round your answer to one decimal place as needed. Do not round intermediate steps. 2. Find the variance and standard deviation.
Determine whether the number line represents a discrete random variable or a continuous random variable. Explain your reasoning. The attendance at games for a sports team 15000 Continuous; Attendance is a random variable that must be measured. Discrete; Attendance is a random variable that is countable. 17500 20000 22500 25000
Please see the picture below. I got 12.5 as the answer.
Add 7 to every output x. What happens to the mean and the variance? What are the new sample mean, the new expected mean, and the new variance?
Use the standard normal table to find the z-score that corresponds to the given percentile. If the area is not in the table, use the entry closest to the area. If the area is halfway bet two entries, use the -score halfway between the corresponding z-scores. If convenient, use technology to find the z-score. P7
Use the Student Unit Load data. Student Unit Load 3, 12, 6, 9, 6, 12, 15, 12, 7, 9, 3 Find the mean, median, mode, range, standard deviation and variance. Use the range rule-of-thumb to find significantly high and low scores. Write the 5-number summary. Find the z-score for x = 15 Is x = 15 unusual in terms of a z-score?
Sixty-three percent of U.S. households have a personal computer. In a random sample of 400 households, determine the mean of the binomial distribution.
The "Freshman 15" refers to the belief that college students gain 15 lb (or 6.8 kg) during their freshman year. Listed in the accompanying table are weights (kg) of randomly selected male college freshmen. The weights were measured in September and later in April. Use the listed paired sample data, and assume that the samples are simple random samples and that the differences have a distribution that is approximately normal. Complete parts (a) through (c). September 68 56 54 65 57 65 93 71 67 April 68 57 56 68 61 71 88 69 67 a. Use a 0.01 significance level to test the claim that for the population of freshman male college students, the weights in September are less than the weights in the following April. In this example, Hd is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the April weight minus the September weight. What are the null and alternative hypotheses for the hypothesis test? Ho Hd 0 kg H₁ Hd > 0…

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