(b) Find the initial acceleration of P.[2]3. [Maximum mark: 5]The times taken for a group of runners to complete a half-marathon are found to follow a normal distribution with meanμ and standard deviation o. Given that 24% of runners complete the race in less than 80 minutes and one in threerunners take more than 120 minutes, find the values of μ and o.[5]

Answered: Image /qna-images/answer/420bac0d-f87e-42e9-b23b-50986efd1f9b.jpg

Answered: 3. [Maximum mark: 5] The times taken…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Similar questions

I can’t figure out formula or answer for bone density
I need the answer as soon as possible
The mean is 146 and the standard deviation is 35. A score of 41 is how many z-scores below the mean?
Given: u = 500 ( Population mean score for a Standardized Biology exam. 0 = 30 (Population mean score for a Standardized Biology exam. %3D Eighty-one (81) scores were selected at random. The mean, X-bar, was calculated. 3. Find P( X-bar 510). . 5. Find P( 480 < X-bar < 520) · Given : The average test score (u) in 2020 of a Standardized Accounting Exam was 550 with a population standard deviation (o) of 45. 6. . Find Lowest Test Score x which is in the 95" Percentile. 7. Find Lowest Test Score x which is in the 75" Percentile. 8. Find Lowest Test Score x which is in the 25" Percentile. 75t 25 that an Independent Education Research team desires to estimate the populatie The sample mean was 3.15.
Select the correct answer below: p-value>0.10 0.05< p-value <0.10 0.01< p-value <0.05 p-value <0.01
# 6- A set of data items is normally distributed with a mean of 90 and a standard deviation of 5. Convert 90 to a z-score.
Use z scores to compare the given values. The tallest living man at one time had a height of 238 cm. The shortest living man at that time had a height of 142.4 cm. Heights of men at that time had a mean of 175.45 cm and a standard deviation of 5.59 cm. Which of these two men had the height that was more extreme? ... Since the z score for the tallest man is z = 0 and the z score for the shortest man is z = the man had the height that was Im- more extreme. (Round to two decimal places.) shortest tallest
n=16 mean number of television per household is 4 with a standard deviation of 1 television. using chebychev's theorem, detemine at least how many households have between 2 and 6 television.
Provide the solution and answer to the continuous problem.
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, as shown in the graph to the right. Complete parts (a) and (b) below. u= 134 0=18.1 What is the shortest time spent waiting for a heart that would still place a patient in the top 30% of waiting times?
The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 1 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible.a. What is the distribution of X? ~ N( , )b. What is the median giraffe height? ________ ft.c. What is the Z-score for a giraffe that is 20 foot tall? _________
No. 2 only. Give interpretation of your answer...

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