3.3c.A.B.Women have head circumferences that are normally distributed with a mean of 23.55inches and a standard deviation of 0.93 inches.If the HATS BY CHARLIE company produced hats so that they fit headcircumferences between 22.2 inches and 24.2 inches, then what is the probabilitythat a woman can fit into these hats?A.If the HATS BY CHARLIE company produced hats so that they fit headcircumferences between 22.2 inches and 24.2 inches, then what is the probabilitythat a randomly selected group of 40 woman can fit into these hats?B.Write a sentence or two that explains your answer to 3B and why you think thatanswer is correct in connection to your answer in 3A.

For the distribution of the circumference of the heads (in inches) of women at the population level,…

Answered: 3. 3c. A. B. Women have head…

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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Suppose the round-trip airfare between Boston and Orlando follows the normal probability distribution with a mean of $387.20 and a standard deviation of $68.50. What is the probability that a randomly selected airfare between Boston and San Francisco will be between $325 and $425? Multiple Choice 0.5275 0.1548 0.2650 0.3875
An online retailer operates two independent warehouses (A & B) where it keeps its inventory. Each warehouse has a .05 probability of experiencing a fire. If a fire is experienced in a given warehouse, $1,000 in inventory will be lost. What is the pooled standard deviation of the warehouses per warehouse (round to the nearest whole number)?
The annual per capita consumption of bottled water was 30.5 gallons. Assume that the per capita consumption of bottled water is approximately normally distributed with a mean of 30.5 and a standard deviation of 13 gallons. a. What is the probability that someone consumed more than 36 gallons of bottled water? b. What is the probability that someone consumed between 30 and 40 gallons of bottled water? c. What is the probability that someone consumed less than 30 gallons of bottled water? d. 99.5% of people consumed less than how many gallons of bottled water? Instructor tip - X a. The probability that someone consumed more than 36 gallons of bottled water is 0.3361 (Round to four decimal places as needed.) b. The probability that someone consumed between 30 and 40 gallons of bottled water is 0.2829 (Round to four decimal places as needed.) Use Excel functions or the normal probability applet: https://davidmlane.com/hyperstat/z_table.html c. The probability that someone consumed less…
The Australian Emergency department reports that the average time it takes to respond to an emergency call is 20 minutes. Assume the variable is approximately normally distributed and the standard deviation is 5 minutes. If 80 calls are randomly selected, what is probability a emergency call will be responded between 12 and 25 minutes?
Suppose the heights of 18 year old men are approximately normally diatributed, with mean 67 inches and standard deviation 5 inches. What is the probability that an 18 year old man selected at random is between 66 and 68 inches tall
Answer D
The Bank of Connecticut issues Visa and MasterCard credit cards. It is estimated that the balances on all Visa credit cards issued by the Bank of Connecticut have a mean of $840 and a standard deviation of $260. Assume that the balances on all these Visa cards follow a normal distribution.a. What is the probability that a randomly selected Visa card issued by this bank has a balance between $1050 and $1420?Round your answer to three decimal places.P= Enter you answer in accordance to the item a) of the question statementb. What percentage of the Visa cards issued by this bank have a balance of $735 or more?Round your answer to two decimal places.P= Enter you answer in accordance to the item b) of the question statement %
Can you please answer parts c and d of the attached question. Thank you.
The lengths of pregnancies are normally distributed with a mean of 270 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 309 days or longer. b. If the length of pregnancy is in the lowest 33%, then the baby is premature. Find the length that separates premature babies from those who are not premature. a.) The probability that a pregnancy will last 309 days or longer is....? b.) Babies who are born on or before ____days are considered premature.
6.The heights of players in a sports league are normally distributed with a mean of 180cm and a standard deviation of 6 cm. What is the probability that a player has a height between 168 cm and 186 cm? A.95% B.81.5% C.47.5% D.68%
Some sources report that the weights of full-term newborn babies in a certain town have a mean of 9 pounds and a standard deviation of 1.2 pounds and are Normally distributed. a. What is the probability that one newborn baby will have the mean? weight within 1.2 pounds of the mean-that is, between 7.8 and 10.2 pounds, or within one standard deviation of b. What is the probability that the average of four babies' weights will be within 1.2 pounds of the mean; will be between 7.8 and 10.2 pounds? c. Explain the difference between (a) and (b). a. The probability is: (Round to four decimal places as needed.) b. The probability is. (Round to four decimal places as needed.) c. The distribution of means is taller and than the original distribution. Therefore, the distribution of means will have narrower more observations located closer to the center of the distribution.
O 6. Salaries for Actuaries The average salary for gradu- ates entering the actuarial field is $63,000. If the salaries are normally distributed with a standard deviation of $5000, find the probability that a. An individual graduate will have a salary over $68,000. b. A group of nine graduates will have a group average over $68,000. Source: www.payscale.com & 7. Commuter Train Passengers On a certain run of : commuter train, the average number of passengers is 476 and the standard deviation is 22. Assume the variable is normally distributed. If the train makes the run, find the probability that the number of passengers will be a. Between 476 and 500 passengers b. Fewer than 450 passengers c. More than 510 passengers

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