80% of all students at a college still need to take another math class. If 39 students are randomly selected,find the probability thata. Exactly 31 of them need to take another math class. 0.1292b. At most 31 of them need to take another math class. 0.5126c. At least 33 of them need to take another math class. 0.4843 Xd. Between 30 and 36 (including 30 and 36) of them need to take another math class.Round all answers to 4 decimal places.45°FClear@2#Question Help: Video Written Example Message instructorSubmit Question Jump to AnswerWELU$104R%Q SearchTA6Y4&7X4+*X84(9()2+

given data, p(need to take another math class)=p=0.80q=1-p=1-0.80=0.20n=39x= no. of them need to…

Answered: 80% of all students at a college still…

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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60% of all students at a college still need to take another math class. If 46 students are randomly selected, find the probability that a. Exactly 28 of them need to take another math class. b. At most 26 of them need to take another math class. c. At least 28 of them need to take another math class. d. Between 25 and 31 (including 25 and 31) of them need to take another math class. Round all answers to 4 decimal places.
14% of all Americans live in poverty. If 30 Americans are randomly selected, find the probability thata. Exactly 2 of them live in poverty. b. At most 4 of them live in poverty. c. At least 4 of them live in poverty. d. Between 1 and 7 (including 1 and 7) of them live in poverty.
64% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability that a. Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math class. c. At least 2 of them need to take another math class. d. Between 2 and 3 (including 2 and 3) of them need to take another math class.
13% of all Americans live in poverty. If 39 Americans are randomly selected, find the probability thata. Exactly 5 of them live in poverty. b. At most 4 of them live in poverty. c. At least 3 of them live in poverty. d. Between 3 and 10 (including 3 and 10) of them live in poverty.
56% of all Americans are home owners. If 45 Americans are randomly selected, find the probability thata. Exactly 22 of them are are home owners. b. At most 25 of them are are home owners. c. At least 24 of them are home owners. d. Between 22 and 29 (including 22 and 29) of them are home owners. Round all answers to 4 decimal places.
33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 39 college students are randomly selected, find the probability that d. Between 7 and 12 (including 7 and 12) of them major in STEM.
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Suppose that 35% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?Give your answer as a decimal (to at least 3 places) or fraction
72% of all Americans are home owners. If 49 Americans are randomly selected, find the probability that Exactly 34 of them are home owners. ___________
65% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability that a. Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math class. c. At least 2 of them need to take another math class. d. Between 2 and 3 (including 2 and 3) of them need to take another math class.
64% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability thata. Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math class. c. At least 2 of them need to take another math class. d. Between 2 and 3 (including 2 and 3) of them need to take another math class.
33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 38 college students are randomly selected, find the probability that a. Exactly 11 of them major in STEM. b. At most 11 of them major in STEM. c. At least 14 of them major in STEM. d. Between 10 and 15 (including 10 and 15) of them major in STEM. Round all answers to 4 decimal places.

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