**Transcription for Educational Website:**---**Title: Analyzing Waiting Times for Heart Transplants Using Normal Distribution****Introduction:**The time spent (in days) waiting for a heart transplant in two states for patients with type A⁺ blood can be approximated by a normal distribution. A graph illustrating this distribution is shown below. Please complete parts (a) and (b) accordingly.**Graph Explanation:**The graph displayed represents a normal distribution curve of waiting times for heart transplants. Key features are:- The mean (μ) is 128 days.- The standard deviation (σ) is 18.3 days.- The x-axis represents the number of days, ranging from 65 to 195.**Interactive Elements:**- [Click to view page 1 of the table.](#)- [Click to view page 2 of the table.](#)---**Problem Statement:**(a) What is the shortest time spent waiting for a heart that would still place a patient in the top 30% of waiting times?☐ **days** (Round to two decimal places as needed.)---Readers are encouraged to use the graph and calculations to determine the required waiting time.

given data, distribution of the data approximetly normal distribution μ=128σ=18.3patient in the top…

Answered: The time spent (in days) waiting for a…

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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What do you mean by relative frequency?
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Nicole has a popular blog about cooking and nutrition and regularly posts articles and videos. She has collected data about the length of time that viewers spent watching two of her recent videos. For each video, she recorded the amount of time (in minutes) that each of 102 viewers spent watching it. The histograms below show the distributions of the two data sets. Each histogram shows time (in minutes) on the horizontal axis and the number of viewers on the vertical axis. The means and standard deviations for the data sets are also given. Video 1 Video 2 25- 25- 20- 20- 15- 15- 10- 10- 5- 5- 0- 19.5 24.5 29.5 34.5 39.5 44.5 49.5 54.5 59.5 64.5 69.5 19.5 24.5 29.5 34.5 39.5 44.5 49.5 54.5 59.5 64.5 69.5 Video 1 mean: 52.05 minutes Video 2 mean: 44.25 minutes Video 1 standard deviation: 12.54 minutes Video 2 standard deviation: 8.16 minutes Nicole wants to use the Empirical Rule to make some approximations about both data sets. Unfortunately, it is appropriate to use the Empirical Rule…
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A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the distribution? Use a = 0.025. Complete parts (a) through (d). Response Old Survey % 29% New Survey Frequency, f Rewards 110 Low rates Cash back Discounts 23% 96 21% 109 7% 46 Other 20% 64 O B. The distribution of motivations is 110 rewards, 96 low rate, 109 cash back, 46 discounts, and 64 other. O C. The distribution of motivations is 29% rewards, 23% low rate, 21% cash back, 7% discounts, and 20% other. Which hypothesis is the claim? o Ho (b) Determine the critical value, Yo, and the rejection region. X = 11.143 (Round to three decimal places as needed.) Choose the correct rejection region below. Oc. X
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