please help . A social media site provides a variety of statistics on its websitethat detail the growth and popularity of a post. Alexis is helpingMoira promote her newest movie, The Crows Have Eyes III: TheCrowening AOn average, 55 percent of 18- to 34-year-olds check socialmedia for new posts before getting out of bed in the morning.Suppose this percentage follows a normal distribution with astandard deviation of 3.5 percent.a. Find the probability that the percentage of 18- to 34-year-olds who check the social media website before getting outof bed in the morning is at least 50. P =b. Find the 75th percentile. 75th percentile =%3D

Name: please help . A social media site provides a variety of statistics on
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Description: please help . A social media site provides a variety of statistics on its websitethat detail the growth and popularity of a post. Alexis is helpingMoira promote her newest movie, The Crows Have Eyes III: TheCrowening AOn average, 55 percent of 18- to

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Math

Probability

please help .

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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Please show work in excel Mrs. Rio is an English professor at Pasadena City College who wants to see if there is a relationship between the students' grades and the hours they spend reading daily. Number of Students Grade Hours spend Reading (Daily) 1 79 2 2 32 0 3 89 3 4 100 5 5 84 4 6 7 90 66 5 2 7 79 4 8 56 5 9 77 5 10 88 3 Is there a direct or indirect relationship between Grades and number of hours reading? Is it weak or strong? Find and interpret the correlation coefficient What is the linear regression model? Predict the grade for a student who read 3.5 hours At 6% level of significant, can we predict that there is a significant relationship between grades and number of hours reading? What percent of the variation in grades is accounted for by hours spent reading?
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