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(a) Among adults who regret getting tattoos, 20% say that they were too young when they got their…

Answered: 28. Too Young to Tat Based on a Harris…

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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Find the indicated probability. 6) The table below describes the smoking habits of a group of asthma sufferers. Occasional Regular Heavy Nonsmoker smoker smoker smoker Total Men Women 344 40 85 39 508 370 31 88 48 537 Total 714 71 173 87 1045 If one of the 1045 people is randomly selected, find the probability that the person is a man or a heavy smoker. chrome://media-app 2 6)
6. Three out of eight BS in Business Administration graduates are in banking industry. If 600 BS in Business Administration graduates are randomly selected, find the probability that 190 or less are in banking industry? Solution: nq =
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.)
Assume this year's flu vaccine has a 80% chance of being effective. If the vaccine is given to 333 randomly selected people, answer the following. d) What is the probability that exactly 264 of them did not get the flu? Round final answer to 4 decimal places. e) What is the probability that less than 264 of them did not get the flu? Round final answer to 4 decimal places. f) What is the probability that more than 264 of them did not get the flu? Round final answer to 4 decimal places.
16. Let X be the number of "6"s obtained from throwing a fair die 7 times. Find the probability of obtaining exactly three "6"'s.
I need solutions for D,E and F too please?
Assume that 9% of people are left-handed. If 4 people are selected at random, find the probability of each outcome described below. ts a) Find the probability that the first lefty is the fourth person chosen. (Round to four decimal places as needed.)
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.
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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.
A defense industry firm in Ankara made an announcement to recruit. 65 of them are Metallurgical and Materials Engineering graduates and 72 are Chemical Engineering graduates, who applied for this job advertisement. All applicants seem satisfactory, so 13 are selected to fill open positions. a) Find the probability of recruiting 5 or more candidates with a Metallurgical and Materials Engineering degree. b) What is the probability that at most 9 of the selected candidates are Chemical Engineering graduates? c) Find the mean, variance and standard deviation if 8 Metallurgical and Materials graduates are selected for these positions.
A Gallup poll of 1,236 adults showed that 14% believe that bad luck follows if your path is crossed by a black cat. a) Find u, o?, o, and usual values. b) Use the above information to find the probability that a total of 203 subjects believe that bad luck follows if your path is crossed by a black cat. a) Use the above information to find the probability that less than 203 subjects believe that bad luck follows if your path is crossed by a black cat.

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