6. The rates of on-time flights for commercial jets are Department of Transportation. Recently, Southwest Air has the best rate with 75% of its flights arriving on time. A test conducted by randomly selecting 15 Southwest flights and observing whether they arrive on time. Find the probability that at most 10 flights arrive on time. Round answer to 4 decimals. Why is this binomial? Number of Trials: Number of Successes: Probability of Success:

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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I just need a double check on 5 and an explanation on how to solve problems like 6, thank you in advance!

-XPO
от
данного
1-0.305
20.187
30.042
5. Find the standard deviation. (Round to 3 decimals.)
0.180
A
6. The rates of on-time flights for commercial jets are continuously tracked by the U.S.
Department of Transportation. Recently, Southwest Air has the best rate with 75% of its
flights arriving on time. A test conducted by randomly selecting 15 Southwest flights and
observing whether they arrive on time. Find the probability that at most 10 flights arrive
on time. Round answer to 4 decimals.
Why is this binomial?
Number of Trials:
Number of Successes:
Probability of Success:
bo
7. In a housing study, it was found that 30% of college students live in campus housing.
An insurance company wants to sell those students special policies insuring their personal
property. If they test a marketing strategy by randomly selecting 20 students, what is the
probability that at least three of them lives in campus housing? Round answer to 4
decimals.
Why is this binomial?
Number of Trials.
Number of Successes:
Probability of Success:
Co
ar
Fo
1.
2
3
Transcribed Image Text:-XPO от данного 1-0.305 20.187 30.042 5. Find the standard deviation. (Round to 3 decimals.) 0.180 A 6. The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air has the best rate with 75% of its flights arriving on time. A test conducted by randomly selecting 15 Southwest flights and observing whether they arrive on time. Find the probability that at most 10 flights arrive on time. Round answer to 4 decimals. Why is this binomial? Number of Trials: Number of Successes: Probability of Success: bo 7. In a housing study, it was found that 30% of college students live in campus housing. An insurance company wants to sell those students special policies insuring their personal property. If they test a marketing strategy by randomly selecting 20 students, what is the probability that at least three of them lives in campus housing? Round answer to 4 decimals. Why is this binomial? Number of Trials. Number of Successes: Probability of Success: Co ar Fo 1. 2 3
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