# Question: The weights of newborn babies in Foxboro Hospital are normally

The weights of newborn babies in Foxboro Hospital are normally distributed with a mean of 6.9 pounds and a standard deviation of 1.2 pounds.

(a) How unusual is a baby weighing 8.0 pounds or more?

(b) What would be the 90th percentile for birth weight?

(c) Within what range would the middle 95 percent of birth weights lie?

(a) How unusual is a baby weighing 8.0 pounds or more?

(b) What would be the 90th percentile for birth weight?

(c) Within what range would the middle 95 percent of birth weights lie?

## Answer to relevant Questions

The credit scores of 35-year-olds applying for a mortgage at Ulysses Mortgage Associates are normally distributed with a mean of 600 and a standard deviation of 100. (a) Find the credit score that defines the upper 5 ...Use Excel to find each probability. a. P(X < 110) for N(100, 15) b. P(X < 2.00) for N(0, 1) c. P(X < 5,000) for N(6000, 1000) d. P(X < 450) for N(600, 100) The probability is .90 that a vending machine in the Oxnard University Student Center will dispense the desired item when correct change is inserted. If 200 customers try the machine, find the probability that (a) At least ...The Johnson family uses a propane gas grill for cooking outdoors. During the summer they need to replace their tank on average every 30 days. At a randomly chosen moment, what is the probability that they can grill out (a) ...Suppose that the distribution of oil prices ($/bbl) is forecast to be T(50, 65, 105). (a) Find the mean. (b) Find the standard deviation. (c) Find the probability that the price will be greater than $75. (d) Sketch the ...Post your question