The overhead reach datances of adut temales are nomaly deed wth a mean ef 200.5 om and a standant deviatien of em.Fnd the probabiy that an individual dietace greater han2110 om. Find eprobabty hat tha maan for 20 randomty selected detances in greater than 201.0 emEWhy an the nemal dation be uned in pat b). even though he samole sie does not ed 307The proayPond decimal places a ded)

Answered: Image /qna-images/answer/246cfe5a-e9d3-4141-912a-2e119b265003.jpg

Answered: The overhead reach datances of sdut…

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 Besitos dating service is looking to expand Services into California its nationally-known than an average of 23 couples got married after only two dates once they met through the dating services.if they sample 60 singles and got a mean of 25.4 marriages within an o of 7.8 marriages ,find the probability that the mean number of couples that get married after only 2 days is greater than 23. 1 What is the point estimate for the population mean 2. What is the standard error 3 At a 99% confidence level, find the maximum error for the population mean 4. Estima the confidence interval for the mean number of couple s that got married only two dates
last two parts c and d
8) At one college, GPA's have a distribution that is unimodal and symmetric with a mean of 2.6 and a standard deviation of 0.5. Is a GPA of 3.8 more than one standard deviation above the mean? A) Yes B) No
Assume that the amounts of weight that male college students gain during their freshman year are normally distributed with a mean of 12 g and a standand devtion of e57kg Complete parts atvh i telon A1 male college student in randomly selected, find the probabilty that he gains between O kg and 3 kg during trostman year The probabity in (Round to four deoimal places as needed.) b. If o male college students are randonty selected, find the probability that their mean weight gain during frestman year is between 0 kg nd 3 g The probability ia (Round to four decimal places as needed) e Why can the nomal distribution be used in part (b), even though the sampie size does not exceed 307 OA Bince the distribution is of individuals, not sampie meana, the distribution in a nomal distribution for any sample sie OR Since the weight gain exceeds 30, the dietribuion of sample means is a normal distribution for any sample s OC Bince the original population has a normal distribution, the distribution…
he mean daily production of a herd of cows is assumed to be normally distributed with a mean of 40 liters, and standard deviation of 2.2 liters.A) What is the probability that daily production is less than 35.4 liters?Answer= (Round your answer to 4 decimal places.)B) What is the probability that daily production is more than 43 liters?Answer= (Round your answer to 4 decimal places.)Warning: Do not use the Z Normal Tables...they may not be accurate enough since WAMAP may look for more accuracy than comes from the table.
A simple random sample of 35 pages from Merriam-Webster's Collegiate Dictionary is obtained. The numbers of words defined on those pages are found with the following results: the sample size is 35, the sample mean is 53.3 words per page, the sample standard is 15.7 words per page. Given that this dictionary has 1459 page with defined words, the claim that there are more than 70 000 defined words is equivalent to the claim that the mean number of words per page is greater than 48.0 words. Assume a normally distributed population. Use a 0.05 significance level to test the claim that the mean number of words per page is greater than 48.0 words.
Daily observations for a period of 144 days have been conducted about thenumber of candy bars sold from a vending machine. Using these observations, thesample mean is calculated to be 258 and the sample standard deviation is calculatedto be 60.a.) What is the probability that the sample mean number of candy barssold for the 144-day period is less than 273?b.) What is the probability that the total number of candy bars sold forthe 144-day period is greater than 34,992 but less than 37,872?(c) If the profit per candy bar is 5 cents, what is the probability that theaverage profit per day over the 144-day period is at least $12.65?
The environmental protection agency rates the mean highway gas mileage of the 2013 Ford Edge to be 27 miles per gallon. Assume the standard deviation is 3 miles per gallon. Rental car company buys 60 of these car. a) commute the mean(ux) and the standard deviation (ox) of x. Round to 4 decimal places) b) what is the probability that the average mileage of the fleet is greater than 26.5 miles per gallon? (Make sure the normal curve with shaded area) c) what is the probability that the average mileage of the fleet is between 26 and 26.8 miles per gallon? (Make sure to draw the normal curve with the shaded area)
The height in inches of 5 randomly selected adult men are given below71, 75, 74, 68, 77 Round your final answers to one decimal place as needed. d)Sample variance is: S2 = ∑(?−?̅)^2/n-1= e)Sample standard deviation is (show work) : f)The coefficient of variation is (Show work):
The production of AN Screws states that the mean length for AN screws is 3.2 cn. Also, it is kuown that the probability of a randomly selected AN sCrew would measure more than 3.8 cm is p and the probability that a randomly selected AN screw wonld measure less than 2.8 cm is q. Suppose that the production of AN screws is tommally distributed, then the probability that a randomly selected AN screw will mcusure between 2.6 cm and 3.6 cm is Hint: Draw the curve of the Normal distribution and use its symmetry 1-2p O 1-p-q 1-p+q O 1-29
A simple random sample of 35 pages from Merriam-Webster's Collegiate Dictionary is obtained. The numbers of words defined on those pages are found with the following results: the sample size is 35, the sample mean is 53.3 words per page, the sample standard is 15.7 words per page. Given that this dictionary has 1459 page with defined words, the claim that there are more than 70 000 defined words is equivalent to the claim that the mean number of words per page is greater than 48.0 words. Assume a normally distributed population. Use a 0.05 significance level to test the claim that the mean number of words per page is greater than 48.0 words.

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