* 00RIf np > 5 and ng 2 5, estimate P(more than 9) with n = 14 and p = 0.7 by using the normaldistribution as an approximation to the binomial distribution; if np < 5 or ng < 5 then state thenormal approximation is not suitableState the correct choice below and, if necessary, fill in the answer box to complete your choice.a. P(more than 9) = [ Select]%3Db. The normal distribution cannot be used. [Select]< PreviousNextNOV 123MacBook Air000DDF7000F3F4F5F8$4V9.6.

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Answered: If np 2 5 and nq 2 5, estimate P(more…

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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using the chi-square distribution table, find the values for x2left and x2right of the following. when a=0.05 n=26 Final answer with 3 decimal points.
he population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n=65, find the probability of a sample mean being greater than 217 if μ=216 and σ=3.5. For a sample of n=65, the probability of a sample mean being greater than 217 if μ=216 and σ=3.5 is nothing. (Round to four decimal places as needed.) Would the given sample mean be considered unusual? The sample mean ▼ would not would be considered unusual because it ▼ does not lie lies within the range of a usual event, namely within ▼ 1 standard deviation 2 standard deviations 3 standard deviations of the mean of the sample means.
Explain how to decide when a normal distribution can be used to approximate a binomial distribution. Choose the correct answver below O A. If np 0 and nq > 0, the normal distribution can be used. O C. If np 5 and nq 5, the normal distribution can be used. O D. If np 2 5 and nq 5, the normal distribution can be used. Click to select your answer.
If np 25 and ng 2 5, estimate P(at least 4) with n= 13 and p = 0.4 by using the normal distribution as an approximation to the binomial distribution; if np <5 or ng < 5, then state that the normal approximation is not suitable. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. P(at least 4) = (Round to three decimal places as needed.) O B. The normal distribution cannot be used.
A researcher wanted to determine whether certain accidents were uniformly distributed over the days of the week. The data show the day of the week for n = 296 randomly selected accidents. Is there reason to believe that the accident occu with equal frequency with respect to the day of the week at the a = 0.05 level of significance? E Click the icon to view the table. Distribution of accidents Day of the Week Frequency Sunday Monday Tuesday Wednesday Thursday Friday Saturday o 39 37 31 40 39 51 59 Print Done Compute the expected counts for day of the week Day of the Week Observed Count Sunday Expected Count 39 Monday 37 Tuesday 31 Wednesday 40 Thursday 39 Friday 51 Saturday 59 (Round to two decimal places as needed.) ?) Question Viewer Enter your answer in the edit fields and then click Check Answer. Check Answer Clear All parts 3 remaining MacBook Air DD 12 80 888 F9 10 F7 FS F4 esc F2 F3 F1 & 2$ % de %3D @ # 7 8 1 3 4 Y Q W E R tab J K S D ns lock く .. .- つエ

Suppose x has a distribution with a mean of 60 and a standard deviation of 9. Random samples of size n = 36 are drawn. (a) Describe the x distribution. O x has a geometric distribution. O has an unknown distribution. O has a Poisson distribution. Ox has a normal distribution. Ox has a binomial distribution. O x has an approximately normal distribution. Compute the mean and standard deviation of the distribution. (For each answer, enter a number.) Hx = 0x = (b) Find the z value corresponding to x = 57. (Enter an exact number.) z = (c) Find P(x < 57). (Enter a number. Round your answer to four decimal places.) P(x < 57) = (d) Would it be unusual for a random sample of size 36 from the x distribution to have a sample mean less than 57? Explain. O No, it would not be unusual because less than 5% of all such samples have means less than 57. O Yes, it would be unusual because more than 5% of all such samples have means less than 57. O Yes, it would be unusual because less than 5% of all such…
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X 6.3.10 Question Help Three randomly selected households are surveyed. The numbers of people in the households are 2, 4, and 9. Assume that samples of sizen=2 are randomly selected with replacement from the population of 2, 4, and 9. Construct a probability distribution table that describes the sampling distribution of the proportion of odd numbers when samples of sizes n= 2 are randomly selected. Does the mean of the sample proportions equal the proportion of odd numbers in the population? Do the sample proportions target the value of the population proportion? Does the sample proportion make a good estimator of the population proportion? Listed below are the nine possible samples. 2,2 2,4 2,9 4,2 4,4 4,9 9,2 9,4 9,9 Construct the probability distribution table. Sample Probability Proportion (Type an integer or fraction.)
he chance of an IRS audit for a tax return with over $25,000 in income is about 2% per year. We are interested in the expected number of audits a person with that income has in a 10-year period. Assume each year is independent. Give the distribution of X.X ~
Suppose X is binomially distributed with n = 1000 and p = .7. Find the mean and the standard deviation of X. ?x = _______ and ?x =

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