If np 25 and nq 25, estimate P(fewer than 5) with n = 13 and p = 0.5 by using the normal distribution as anapproximation to the binomial distribution; if np <5 or nq < 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.OA. P(fewer than 5) =(Round to four decimal places as needed.)OB. The normal approximation is not suitable.

Answered: If np 25 and nq ≥ 5, estimate P(fewer…

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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If x has the binomial distribution with =2.4 and o= 1.2, then P(x = 2) is: Select one: a. 0.311 b. Otherwise O c. 0.112 d. 0.138 e here to search 近

CH7: Dr. Helen obtains a random sample of n = 14 scores from a population with o = 8. If the sample mean is 46 points smaller than the population mean, what is the z-score for the sample mean? Oa. 227.69 b. -227.69 Oc. 21.51 O d.l-21.51|| e. none of the options
2% of the world population is naturally blond. In a random sample of 100 people, the proportion of natural blonds is found. The sampling distribution of is O A. approximately normal because p is always approximately normal O B. not approximately normal because np 5
Find the are below 13 for a N(15,5) distribution
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 a population with a mean of 100 and a variance of 900 was given. The central limit theorem was applied with a sample size ?? ≥ 25. A random sample of size ?? = 30 wasobtained. Find the: i. mean and variance of sampling distribution for sample means. ii. probability that 96 ≤ ??̅≤ 110. iii. probability that ??̅≤ 107.
Please show the complete solution. Thanks!
Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are longer than 35 centimeters. The biologists will select a random sample of crabs to measure. Which of the following is the most appropriate method to use for such an estimate? A one-sample z-interval for a population proportion A A one-sample z-interval for a sample proportion B A two-sample z-interval for a population proportion C A two-sample z-interval for a difference between population proportions D A two-sample z-interval for a difference between sample proportions

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