6 committee members are chosen from 10 Parents and 15 Teachers.Find the number of committees that can be formed if the teachers mustexceed the parents in the committee.Base on above question, find1. There are 20 green marbles and a number of yellow marbles in a box.The probability of choosing a green marble at random from the box is2/5. Find the number of yellow marbles in the box.a) 50 b) 30 c) 252. There are 36 students in Business Statistics class. 16 of them areboys. A student is chosen at random from the class find the probability agirl is chosen.a) 3/9b) 4/9 c) 5/93. Find the number of ways to arrange the word PROBABILITY

Let x be the number of yellow marbles in the box. Then, the total number of marbles in the box is 20…

Answered: 1. There are 20 green marbles and 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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A local county has an unemployment rate of 7.6%. A random sample of 16 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places. a) Find the probability that exactly 2 in the sample are unemployed. b) Find the probability that there are fewer than 4 in the sample are unemployed. c) Find the probability that there are more than 3 in the sample are unemployed. d) Find the probability that there are at most 4 in the sample are unemployed.
John runs a computer software store. Yesterday he counted 137 people who walked by his store, 68of whom came into the store. Of the 68, only 45 bought something in the store.a). Estimate the probability that a person who walks by the store will enter the store.b). Estimate the probability that a person who walks into the store will buy something.
5. Calculate the probability of picking a card that was a heart or a spade. Comment on your answer.
The Gallup organization found that 29% of Americans own a cat as a pet. Round all probabilities to four decimal places.a) Find the probability that 7 Americans own a cat as a pet. b) Find the probability that 7 Americans DO NOT own a cat as a pet. c) Find the probability that at least one of 7 Americans owns a cat as a pet.
87. A committee of 5 persons is to be selected from a group of 5 men and 10 women. Find the probability that the committee consists of 2 men and 3 women.
A bag contains 4 orange balls, 7 green balls, and 6 purple balls. You reach in the bag and select one ball: Show work and explain your answers. a ) What is the probability of drawing a ball that is orange or purple? b) What is the probability of drawing a ball that is black?
Assume that 15% of people are left-handed. If 7 people are selected at random, find the probability of each outcome described below. a) Find the probability that the first lefty is the sixth person chosen. (Round to four decimal places as needed.) b) Find the probability that there are some lefties among the 7 people. (Round to four decimal places as needed.) c) Find the probability that the first lefty is the third or fourth person. (Round to four decimal places as needed.) d) Find the probability that there are exactly 3 lefties in the group. (Round to four decimal places as needed.) e) Find the probability that there are at least 5 lefties in the group. (Round to four decimal places as needed.) f) Find the probability that there are no more than 2 lefties in the group. (Round to four decimal places as needed.)
A local county has an unemployment rate of 6%. A random sample of 16 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places. a) Find the probability that exactly 4 in the sample are unemployed. b) Find the probability that there are fewer than 3 in the sample are unemployed. c) Find the probability that there are more than 2 in the sample are unemployed. d) Find the probability that there are at most 3 in the sample are unemployed.
According to a survey, 10% of Americans are afraid to fly. Suppose 1100 Americans are sampled. a) What is the probability that 121 or more americans in the survey are afraid to fly? Write your answer as a percentage rounded to two decimal places. b) What is the probability that 165 or more americans in the survey are afraid to fly? Write your answer as a percentage rounded to two decimal places. c) What is the probability that 8% or less of the americans surveyed answered they were afraid to fly? Write your answer as a percentage rounded to two decimal places.
According to a survey, 10% of Americans are afraid to fly. Suppose 1100 Americans are sampled.a) What is the probability that 121 or more americans in the survey are afraid to fly? Write your answer as a percentage rounded to two decimal places. b) What is the probability that 165 or more americans in the survey are afraid to fly? Write your answer as a percentage rounded to two decimal places. c) What is the probability that 8% or less of the americans surveyed answered they were afraid to fly? Write your answer as a percentage rounded to two decimal places.
5. Instructions: Please explain & show well your work. In the final of a 100 m race there are 4 athletes from the United States out of 8 total athletes. A) Determines the probability that the best 3 (Gold, silver and bronze) come from the United States. B) Determines the probability that the exact order of the best 3 (Gold, silver and bronze) is: Gold - Fred Kerley (United States). Silver - Marvin Bracy (United States) Bronze - Trayvon Bromell (United States)

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