Big babies: The Centers for Disease Control and Prevention reports that 30% of baby boys 6 - 8 months old in the United States weigh more than 20 pounds. A sample of 11 babies is studied. Round the answers to at least three decimal places. Part 1 of 4 (a) What is the probability that exactly 5 of them weigh more than 20 pounds? The probability that exactly 5 of them weigh more than 20 pounds is Part 2 of 4 (b) What is the probability that more than 5 weigh more than 20 pounds? The probability that more than 5 weigh more than 20 pounds is Part 3 of 4 (c) What is the probability that fewer than 5 weigh more than 20 pounds? The probability that fewer than 5 weigh more than 20 pounds is X X
Big babies: The Centers for Disease Control and Prevention reports that 30% of baby boys 6 - 8 months old in the United States weigh more than 20 pounds. A sample of 11 babies is studied. Round the answers to at least three decimal places. Part 1 of 4 (a) What is the probability that exactly 5 of them weigh more than 20 pounds? The probability that exactly 5 of them weigh more than 20 pounds is Part 2 of 4 (b) What is the probability that more than 5 weigh more than 20 pounds? The probability that more than 5 weigh more than 20 pounds is Part 3 of 4 (c) What is the probability that fewer than 5 weigh more than 20 pounds? The probability that fewer than 5 weigh more than 20 pounds is X X
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.9: Independent And Dependent Events
Problem 3C
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Transcribed Image Text:Big babies: The Centers for Disease Control and Prevention reports that 30% of baby boys 6 - 8 months old in the United States weigh more than 20 pounds. A
sample of 11 babies is studied. Round the answers to at least three decimal places.
Part 1 of 4
(a) What is the probability that exactly 5 of them weigh more than 20 pounds?
The probability that exactly 5 of them weigh more than 20 pounds is
Part 2 of 4
(b) What is the probability that more than 5 weigh more than 20 pounds?
The probability that more than 5 weigh more than 20 pounds is
Part 3 of 4
(c) What is the probability that fewer than 5 weigh more than 20 pounds?
The probability that fewer than 5 weigh more than 20 pounds is
X
Xx
Ś
Ś
Ś

Transcribed Image Text:Part: 3 / 4
Part 4 of 4
(d) Would it be unusual if more than 5 of them weigh more than 20 pounds? Use a cutoff of 0.05.
It (Choose one) be unusual if more than 5 of them weigh more than 20 pounds, since the probability is
would
would not
X
Ś
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