The Wilson family had 6 children. Assuming that the probability of a child being a girl is 0.5, find the probability that the Wilson family had at least 5 girls?  at most 5 girls?

A pharmacist receives a shipment of 20 bottles of a drug and has 4 of the bottles tested. If 4 of the 20 bottles are contaminated, what is the probability that more than 1 of the tested bottles is contaminated? Express your answer as a fraction or a decimal number rounded to four decimal places.

Suppose that the probability that a child living in an urban area in the United States is obese is 20%. If a social worker sees 15 children living in urban areas, what is the probability that 5 are obese? Enter response as .xxxx

Suppose the probability of Ann getting a hit in softball is .314. What is the probability that Ann gets at least one hit in her next 8 attempts?