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Some sources report that the weights of? full-term newborn babies in a certain town have a...

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Question

Statistics

Some sources report that the weights of? full-term newbornbabies in a certain town have a mean of

99

pounds and a standard deviation of

0.60.6

pounds and are normally distributed.a. What is the probabilitythat one newborn baby will have a weight within

0.60.6

pounds of the

meanlong dash—that

?is, between

8.48.4

and

9.69.6

?pounds, or within one standard deviation of the? mean?b. Whatis the probability that the average of

ninenine

?babies' weights will be within

0.60.6

pounds of the? mean; will be between

8.48.4

and

9.69.6

?pounds?

c. Explain the difference between? (a) and? (b).

a. The probability is

nothing.

?(Round to four decimal places as? needed.)

Answer & Explanation Solved by verified expert
3.9 Ratings (491 Votes)
Mean weight of newborn babies 9 poundsstandard deviaion of newborn    See Answer
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