45°FClear?62% of all students at a college still need to take another math class. If 4 students are randomly selected,find the probability thatANa. Exactly 2 of them need to take another math class. 0.29411b. At most 2 of them need to take another math class. 0.5131c. At least 2 of them need to take another math class. 0.781 Xd. Between 2 and 3 (including 2 and 3) of them need to take another math class. 0.2941Round all answers to 4 decimal places.@2Question Help: Written Example Message instructorSubmit Question Jump to AnswerW#*3XES D$1014C%5FQ SearchR T^4064-&Y√7G HX*X+8J-144(V B N M9K► 11OOXL{[?44prt

given data, here p= p(student need to take another math class)p=0.62q=1-p=1-0.62=0.38x=no. of…

Answered: 62% 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.
Students randomly receive 1 of 4 versions (A, B, C, D) of a math test. What is the probability that at least 3 of the 5 students tested will get version A of the test? Express your answer as a percent, and round to the nearest tenth. a. 10.4% с. 8.8% b. 1.6% d. 74.7%
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The probability that a certain kind of component will survive a shock test is 3/4. Find the probability that exactly 2 of the next 4 components tested survive. Assume the test are independent. a.27/128 b.1/8 c.13/15 d.3/5
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An urn contains 3 white balls and 7 red balls. A second urn contains 8 white balls and 2 red balls. An urn is selected, and a ball is randomly drawn from the selected urn. The probability of selecting the first urn is 0.8. If the ball is white, find the probability that the second urn was selected. (Round your answer to three decimal places.)
A machine has 32 identical components which function independently. The probability that a component will fail is 0.28. The machine will stop working if more than three components fail. Find the probability that the machine will be working. Round to the nearest thousandth.
80% of all students at a college still need to take another math class. If 5 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 3 of them need to take another math class. d. Between 2 and 4 (including 2 and 4) of them need to take another math class. Round all answers to 4 decimal places.
Find the probability that when a gardener plants 20 seeds, she harvests 16 radishes given the probability that a radish seed will germinate is 0.5
Q10. Given that the switchboard of a consultant's office receives on average 0.8 calls per minute, find the probability that in a 5-minute interval there will be exactly 4 calls, and in the following 4- minute interval, there will be exactly 1 call. (Consider the entire 9 minute interval to calculate your answer.)

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