If p = 2.4 % and n =400, is the Poisson distribution a reasonable approximation of the binomialdistribution?yesO noWhat is the mean of this binomial distribution (and the mean of the Poisson distribution used toapproximate it)?mean =What is the standard deviation if the binomial distribution was used? Round to 2 decimals.standard deviation (actual) =What is the (approximate) standard deviation if the Poisson distribution was used? Round to 2 decimals.standard deviation (approximate) =Are these values in reasonable agreement?yesno

Answered: If p = 2.4 % and n = 400, is the…

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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A computer scientist estimates that the proportion of users that properly back up their data is p = 0.304. They will randomly select n = 380 users and will compute the sample proportion that properly back up their data. What is the mean of the distribution of the sample proportion? What is the standard deviation of the distribution of sample proportion? (Report answer accurate to 3 decimal places.) Add Work
High school students across the nation compete in a financial capability challenge each year by taking a National Financial Capability Challenge Exam. Students who score in the top 13 percent are recognized publicly for their achievement by the Department of the Treasury. Assuming a normal distribution, how many standard deviations above the mean does a student have to score to be publicly recognized? (Round your answer to 2 decimal places.)
It is believed that 58% of Americans like to eat at restaurants every week. You interview 6 Americans and ask if they like to eat at restaurants every week. The random variable x represents the number of Americans that like to eat at restaurants every week. Find the mean of the binomial distribution. μ = ____________________________ Find the standard deviation of the binomial distribution. σ = __________________________ What is the probability that at least 1 of the Americans surveyed likes to eat at restaurants every week? Provide an answer to 4 decimal places.
A bus comes by every 15 minutes. The times from when a person arives at the busstop until the bus arrives follows a Uniform distribution from 0 to 15 minutes. A person arrives at the bus stop at a randomly selected time. Round to 4 decimal places where possible. The mean of this distribution is _____ The standard deviation is _____ The probability that the person will wait more than 4 minutes is _____ Suppose that the person has already been waiting for 1.7 minutes. Find the probability that the person's total waiting time will be between 2.5 and 5.6 minutes _____ 7% of all customers wait at least how long for the train?_____ minutes.
A jar contains 3 nickels and 2 dimes. You reach in and randomly select 2 coins. Let Xrepresent the value of the two coins in cents. Find [a] theexpected value of Xand [b] the standard deviation of X.Round answers to 2 decimals. [a] Expected Value: __________ [b] Standard Deviation: __________
What happens to the 'mean' of an x-distribution when you standardize the distribution? Z-scores are also known as _______?______ . standard deviations means error ranges
With the data for Statistics students' heights, do the following: 56 69 67 65 65 66 67 62 71 64 63 65 67 70 63 64 64 64 66 65 62 65 64 66 67 68 62 68 61 64 65 64 60 62 64 68 72 61 54 53 63 62 70 64 65 69 71 60 60 66 60 64 68 60 66 73 66 66 70 60 62 61 Upload your photo or screenshot of the histogram of this data. Choose File No file chosen I= S= IQR = 70 The 15th percentile is The 85th percentile is Median is Hint
Can someone please help walk me through how I complete this graph?
A-C please
Assume that a procedure yields a binomial distribution. n = 43 p = 0.7, Find the standard deviation. Round to one decimal place, if needed.
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The amount of fill in a half-liter (500 ml) soft drink bottle is normally distributed. The process has a standard deviation of 5 ml. The mean is adjustable.(a) Where should the mean be set to ensure a 95 percent probability that a half-liter bottle will not be underfilled? (Round your answer to 2 decimal places.) Mean_________ml (b) Where should the mean be set to ensure a 99 percent probability that a half-liter bottle will not be underfilled? (Round your answer to 2 decimal places.) Mean______ml (c)Where should the mean be set to ensure a 99.9 percent probability that a half-liter bottle will not be underfilled? (Round your answer to 2 decimal places.) Mean______ml

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