Big babies: A public health organization reports that 30% of baby boys 6 - 8 months old in the United States weigh more than 20 pounds. A sample of 12 babies is studied. Round the answers to three decimal places. Part 1 of 4 (a) What is the probability that exactly 4 of them weigh more than 20 pounds? The probability that exactly 4 of them weigh more than 20 pounds is 0. 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 Part 4 of 4 (d) Would it be unusual if more than 7 of them weigh more than 20 pounds? It (Choose one) ▼ be unusual if more than 7 of them weigh more than 20 pounds, since the probability is D.

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Big babies: A public health organization reports that 30% of baby boys 6 - 8 months
old in the United States weigh more than 20 pounds. A sample of 12 babies is
studied. Round the answers to three decimal places.
Part 1 of 4
(a) What is the probability that exactly 4 of them weigh more than 20 pounds?
The probability that exactly 4 of them weigh more than 20 pounds
is D.
Part 2 of 4
What is the probability that more than 5 weigh more than 20 pou
ds?
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
Part 4 of 4
(d) Would it be unusual if more than 7 of them weigh more than 20 pounds?
It (Choose one) v be unusual if more than 7 of them weigh
more than 20 pounds, since the probability is D.
Transcribed Image Text:Big babies: A public health organization reports that 30% of baby boys 6 - 8 months old in the United States weigh more than 20 pounds. A sample of 12 babies is studied. Round the answers to three decimal places. Part 1 of 4 (a) What is the probability that exactly 4 of them weigh more than 20 pounds? The probability that exactly 4 of them weigh more than 20 pounds is D. Part 2 of 4 What is the probability that more than 5 weigh more than 20 pou ds? 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 Part 4 of 4 (d) Would it be unusual if more than 7 of them weigh more than 20 pounds? It (Choose one) v be unusual if more than 7 of them weigh more than 20 pounds, since the probability is D.
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