(a)What is the probability that at least 5 of the students are first generation college students? Answer: The probability is (b) Of the sample of 6 students, how many would you expect to be first generation college students? Answer: The expected value is (c) What is the standard deviation? Answer: The standard deviation is

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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5. Approximately 65% of BCC students are first generation college students.
Suppose you take a random sample of 6 BCC students.
(a)What is the probability that at least 5 of the students are first generation college
students?
Answer: The probability is
(b) Of the sample of 6 students, how many would you expect to be first generation
college students?
Answer: The expected value is
(c) What is the standard deviation?
Answer: The standard deviation is
16
tv
DI
F3
F4
F7
Transcribed Image Text:5. Approximately 65% of BCC students are first generation college students. Suppose you take a random sample of 6 BCC students. (a)What is the probability that at least 5 of the students are first generation college students? Answer: The probability is (b) Of the sample of 6 students, how many would you expect to be first generation college students? Answer: The expected value is (c) What is the standard deviation? Answer: The standard deviation is 16 tv DI F3 F4 F7
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Histor
t Submissic x
Bb Discussion Board - 20 X
Bb Review Test Submissic x
Bb Exams - 2020 Fall Ter x
MTH 23 Final Exam.pc x
/Users/angelyrodriguez/Downloads/MTH%2023%20Final%20Exam.pdf
6. Let x be a random variable that represents the length of time it takes a student to
write a response paper. It was found that x has an approximately normal
distribution with mean u= 7 hours and standard deviation o = 4 hours.
(a)What is the probability that it takes at least 19 hours for a randomly selected
student to write a response paper?
Answer: The probability is
(b)Suppose 20 students are selected at random. What is the probability that the
mean time x of writing a paper for these 20 students is more than 10 hours?
Answer: The probability is
16
ty
Transcribed Image Text:View Histor t Submissic x Bb Discussion Board - 20 X Bb Review Test Submissic x Bb Exams - 2020 Fall Ter x MTH 23 Final Exam.pc x /Users/angelyrodriguez/Downloads/MTH%2023%20Final%20Exam.pdf 6. Let x be a random variable that represents the length of time it takes a student to write a response paper. It was found that x has an approximately normal distribution with mean u= 7 hours and standard deviation o = 4 hours. (a)What is the probability that it takes at least 19 hours for a randomly selected student to write a response paper? Answer: The probability is (b)Suppose 20 students are selected at random. What is the probability that the mean time x of writing a paper for these 20 students is more than 10 hours? Answer: The probability is 16 ty
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