Question: please using TI-84 plus calculator, No using table , i need help with explanation? The average weights of newborn babies at Community Hospital is 8.7

please using TI-84 plus calculator, No using table , i need help with explanation?

The average weights of newborn babies at Community Hospital is 8.7 pounds, with a standard deviation of 1.6 pounds. Assume the distribution is normally

distributed.

a.If we picked a baby born on a particular day, what is the probability that the babywill weigh more than 10 pounds?

b.What would be the cutoff weight for the 85th percentile of baby birth weightsbased on this population data?

In a sample of 5 babies, what is the chance that the sample mean is more than 10pounds?

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