The individual actually The data represent the results for a test for a certain disease. Assume one individual from the had the disease group is randomly selected. Find the probability of getting someone who tests negative, given that he Positive or she did not have the disease. Yes No 125 13 33 Negative 129 The probability is approximately (Round to three decimal places as needed.)

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.

Probability of raining during the month of April in nyc is 0.33. What is the probability that it will rain 2 of the next 3 days ?

Find the probability of the indicated event if P(E) = 0.20 and P(F) = 0.40. Find P(E or F) if P(E and F) = 0.20. P(E or F) = (Simplify your answer.)