The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips.(a) What is the probability that a randomly selected bag contains between 1000 and 1400 chocolate chips, inclusive?(b) What is the probability that a randomly selected bag contains fewer than 1100 chocolate chips?(c) What proportion of bags contains more than 1225 chocolate chips?(d) What is the percentile rank of a bag that contains 1450 chocolate chips?(a) The probability that a randomly selected bag contains between 1000 and 1400 chocolate chips, inclusive, is.(Round to four decimal places as needed.)

As per our guidelines we are suppose to answer three sub parts. Given,mean(μ)=1252standard…

Answered: The number of chocolate chips in an…

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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Combined city and highway gas mileage is approximately normally distributed with mean 23.0 mpg and standard deviation 4.9 mpg. A) Assume twenty 2016 model year vehicles are randomly selected. Describe the distribution of the variable x̄. i. Shape (Justify how you know your answer) ii. Mean iii. Standard deviation, rounded to three decimal places. B) Find the probability that the mean gas mileage of a sample of twenty 2016 model year vehicles is less than 24 mpg.
Heights of 10 year old children, regardless of sex, closely follow a normal distribution with mean 54.5 inches and standard deviation 5.8 inches. Round answers to 4 decimal places. a) What is the probability that a randomly chosen 10 year old child is less than 47.9 inches? b) What is the probability that a randomly chosen 10 year old child is more than 57.8 inches? c) What proportion of 10 year old children are between 50.2 and 59 inches tall? d) 70% of all 10 year old child are less than inches.
Scores on a standardized exam for 2nd graders are approximately normally distributed with a mean of 72 and a standard deviation of 6. a) b) c)
answer as many as you can ... please. Thank you for your time ! I appreciate it.
Women have pulse rates that are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. a.) What is the probability that a woman has a pulse rate higher than 73.2 beats per minute? b.) What pulse rate would separate the lowest 65% of women from the top 35%? c.) What is the probability that a group of 15 women has a mean pulse rate between 74.1 and 83.5 beats per minute? d.) Even though the sample size is less than thirty in part (c) of this question, why can the Central Limit Theorem still be applied? e.) If you were a doctor who is selecting pulse rates as cutoff values for determining whether further tests are needed for patients, which result is more relevant to use, part (a) or part (c)? Why?
The mass of a species of mouse commonly found in houses is normally distributed with a mean of 20.3 grams with a standard deviation of 0.2 grams. a) What is the probability that a randomly chosen mouse has a mass of less than 20.16 grams? b) What is the probability that a randomly chosen mouse has a mass of more than 20.51 grams? c) What proportion of mice have a mass between 20.14 and 20.39 grams?
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. a.) What is the probability that a randomly selected bag contains between 1000 and 1500 chocolate chips, inclusive? b.) What is the probability that a randomly selected bag contains fewer than 1025 chocolate chips? c.) What proportion of bags contains more than 1225 chocolate chips? d.) What is the percentile rank of a bag that contains 1025 chocolate chips?
2. The number of shots on goal in an amateur hockey league's games is normally distributed, with a mean of 56.3 and a standard deviation of 8.1 shots. a) In what percent of the games will there be fewer than 40 shots on goal? b) In what percent of the games will there be between 50 and 60 shots on goal? c) What is the probability that a game will have more than 66 shots?
The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.6 days and a standard deviation of 2.3 days. 1.) What is the probability of spending more than two days in recovery? A.)0.8709 B.) 0.0495 C.) 0.9412 D.) 0.0588 2.) The 80th percentile for recovery times is? A.) 7.54 B.) 4.24 C.) 7.01 D.) 6.81
The mass of a species of mouse commonly found in houses is normally distributed with a mean of 19.6 grams with a standard deviation of 0.14 grams. a) What is the probability that a randomly chosen mouse has a mass of less than 19.52 grams? b) What is the probability that a randomly chosen mouse has a mass of more than 19.66 grams? c) What proportion of mice have a mass between 19.53 and 19.67 grams?
C.) What is the probability that a plane waits more than 12 minutes between gate departure and taxiing down the runway? D.) What is the length of time that only 5% of planes wait this long or longer before gate departure and taxiing down the runway?

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