Calculate the probability the helicopter will be used less than three times next week. 0.67 0.54 0.46 0.21 If we know that the helicopter has been used less than three times in a week, what is the probability that the helicopter was used exactly 2 times?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
icon
Related questions
Question
100%

Please answer parts a and b of number 1.

1. A regional hospital is considering the purchase of a helicopter to transport
critical patients. The random variable X is the number of times similar sized
hospitals used a helicopter to transport critical patients each week, and the
probability distribution of X is given below.
P(X = x)
0.09
1
0.13
2
0.24
0.21
4
0.18
0.15
a. Calculate the probability the helicopter will be used less than three times next
week.
A. 0.67
В. О.54
С. 0.46
D. 0.21
b. If we know that the helicopter has been used less than three times in a week,
what is the probability that the helicopter was used exactly 2 times?
A. 0.358
В. О.240
С. 0.421
D. 0.522
Transcribed Image Text:1. A regional hospital is considering the purchase of a helicopter to transport critical patients. The random variable X is the number of times similar sized hospitals used a helicopter to transport critical patients each week, and the probability distribution of X is given below. P(X = x) 0.09 1 0.13 2 0.24 0.21 4 0.18 0.15 a. Calculate the probability the helicopter will be used less than three times next week. A. 0.67 В. О.54 С. 0.46 D. 0.21 b. If we know that the helicopter has been used less than three times in a week, what is the probability that the helicopter was used exactly 2 times? A. 0.358 В. О.240 С. 0.421 D. 0.522
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL