complete)HW Score: 31.25% , 2.5 ofX3.2.23EQuestion Helpsample of 900 U.S. adults, 214 think that most celebrities are good role models. Two US. adults are selected at random from the population of all U.S. adultsIn awithout replacement. Assuming the sample is representative of all U.S. adults, complete parts (a) through (c).(a) Find the probability that both adults think most celebrities are good role models.The probability that both adults think most celebrities are good role models is(Round to three decimal places as needed.)* ct(I)Morerces?Enter your answer in the answerbox and then click Check AnswerCheck AnswerClear Allparts2 remainingbrarytions

Given dataSample size = 900No of celebrities that are good role models are = 214Probability that…

Answered: complete) HW Score: 31.25% , 2.5 of…

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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Adult men's heights are normally distributed with m = 70 inches and s = 2.6 inches. What is the probability that a randomly selected man will have a height more than 77 inches? Excel Worksheet-1.xlsx Click to open: O.0035 O.0143 O .0559 O.1033 O something else
6. Employers often require their employees to be subjected to random drug testing. Suppose that 5% of employees use a certain type of drug. Drug testing accuracy varies. From years of data collection it is known that those who use this type of drug have ½ 94% chance of testing positive. It is also known that 3% of non-drug users (of the certain type of drug) still test positive. a.) Fill out a probability cross tabulation. b.) If the employee tests positive for a certain drug, what's the probability that the employee uses the drug? c) If the employee tests positive for a certain drug, what's the probability that the employee does NOT use the drug?
A School has found there is a 3% probability that the question paper contains an error. Assume question paper are mutually independent. A teacher randomly selects 100 question paper, what is the probability that 95% or less of the selected question paper has no error?
Suppose that P(A|B)=0.4 and P(B)=0.5. What is P(A B)? 0.8 O 0.2 O 0.1 D Question 5 ts Computer keyboard failures are due to faulty electrical connects (12%) or mechanical defects (88%). Mechanical defects are related to loose keys (27%) or improper assembly (73%). Electrical connect defects are caused by defective wires (35%), proper connections (13%), or poorly welded wires (52%). Find the probability that a failure is due to loose keys. O 0.2376 O 0.306
In the continent of Africa, it has been determined that an average of four (4) wars break out per month. What is the probability that in the next three (3) months, ten (10) wars will break out? Select one: Oa. 0.1048 b. 0.0159 O c. 0.0053 O d. 0.0076
A study reports that 36% of companies in Country A have three or more female board directors. Suppose you select a random sample of 100 respondents. Complete parts (a) through a. What is the probability that the sample will have between 29% and 37% of companies in Country A that have three or more female board directors? The probability is (Round to four decimal places as needed.) b. The probability is 60% that the sample percentage of Country A companies having three or more female board directors will be contained within what symmetrical limits of the population The probability is 60% that the sample percentage will be contained above (Round to one decimal place as needed.) % and below %. c. The probability is 99.7% that the sample percentage of Country A companies having three or more female board directors will be contained within what symmetrical limits of the population The probability is 99.7% that the sample percentage will be contained above % and below (Round to one decimal…
Question Completion Status: Moving to another question will save this response. Question 32 A barbershop requires appointments for perms and haircuts. Ten percent of those making appointments cancel or simply fail to show up. Next week's appointment calendar has 64 appointments. let x be the number of missed appointments out of the 64. The probability that more than 2 cancellations and/or no-shows will occur during the next week is: 0.9611 0.1063 Ob. 0.7795 C d. 0.8937 0.3784 Moving to another question will save this response. 22 tv A Question 32 of 35 CA Question 32 of 35
Based on a smartphone survey, assume that 57% of adults with smartphones use them in theaters. In a separate survey of 264 adults with smartphones, it is found that 149 use them in theaters. a. If the57% rate is correct, find the probability of getting 149 or fewer smartphone owners who use them in theaters. b. Is the result of 149 significantly low?
Do cat owners sleep better than those without cats? To help answer this question, a cat enthusiast obtained a random sample of 500 Canadians, each of whom answered two questions: 1. do you have a cat? (yes or no), 2. How well do you sleep? (good, neutral, bad). The dataset “CatSleep.xlsx” contains her findings. Find the probability that a randomly selected Canadian is a bad sleeper and a cat owner. Find the probability that a randomly selected Canadian is a neutral sleeper or a cat owner. Find the probability that a randomly selected non-cat owner is a bad sleeper. That is, find the probability that a randomly selected Canadian is a bad sleeper, given they are not a cat owner Can you handwrite the solution?
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