# Question

A hospital finds that 25% of its accounts are at least 1 month in arrears. A random sample of 450 accounts was taken.

a. What is the probability that fewer than 100 accounts in the sample were at least 1 month in arrears?

b. What is the probability that the number of accounts in the sample at least 1 month in arrears was between 120 and 150 (inclusive)?

a. What is the probability that fewer than 100 accounts in the sample were at least 1 month in arrears?

b. What is the probability that the number of accounts in the sample at least 1 month in arrears was between 120 and 150 (inclusive)?

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