The following table displays a frequency distribution for the number of crew members on each shuttle mission from April 12, 1981 to July 8, 2011.   Let C = Crew Size a) How many shuttle missions were there from April 12th, 1981 to July 8, 2011? b) Create a probability distribution for the random variable C C = c  P(C = c) 2 0.0148 4 0.2963 5 0.0370 6 0.0444 7 0.0518 8 0.5296   1.0000 Use your probability distribution to find: c) P(C = 6) = d) P(C is at least 4) = e) P(C is no more than 7) = f) P (4 ≤ C ≤ 7) = g) P (2 < C ≤ 5) = h) What is the expected crew size? E(C) =

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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ISBN:9780547587776
Author:HOLT MCDOUGAL
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Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 2C
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The following table displays a frequency distribution for the number of crew members on each shuttle mission from April 12, 1981 to July 8, 2011.

 

Let C = Crew Size

a) How many shuttle missions were there from April 12th, 1981 to July 8, 2011?

b) Create a probability distribution for the random variable C

C = c  P(C = c)
2 0.0148
4 0.2963
5 0.0370
6 0.0444
7 0.0518
8 0.5296
  1.0000

Use your probability distribution to find:

c) P(C = 6) =

d) P(C is at least 4) =

e) P(C is no more than 7) =

f) P (4 ≤ C ≤ 7) =

g) P (2 < C ≤ 5) =

h) What is the expected crew size? E(C) =

 

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