Find the indicated probability.The following table show the results of a clinical trial for an allergy drug.  What is the probability that a randomly selected person was given a placebo or improved? Round your answer to the nearest thousandth when necessary.

Find the indicated probability. Round your answer to 6 decimal places when necessary.A batch consists of 12 defective coils and 88 good ones. Find the probability of getting two good coils when two coils are randomly selected if the first selection is replaced before the second is made.

Find the indicated probability. Round your answer to 6 decimal places when necessary.A fair die is rolled. What is the probability of rolling a 3 or a 4?

Find the indicated probability. Round your answer to 6 decimal places when necessary.When two balanced dice are rolled, there are 36 possible outcomes. Find the probability that either doubles are rolled or the sum of the dice is 10.

Find the indicated probability. Round your answer to 6 decimal places when necessary.A fair die is rolled. What is the probability of rolling a 3 or a 4?

Find the indicated probability. Round your answer to 6 decimal places when necessary.If you are dealt two cards successively (with replacement of the first) from a standard 52-card deck, find the probability of getting a heart on the first card and a diamond on the second.

Find the indicated probability. Round your answer to 6 decimal places when necessary.A batch consists of 12 defective coils and 88 good ones. Find the probability of getting two good coils when two coils are randomly selected if the first selection is replaced before the second is made.

Use the at least once rule to find the indicated probability. The probability of winning $20 in a particular lottery is 0.03. What is the probability that you will get at least one $20 winner if you buy 20 tickets?

Find the indicated probability. Round your answer to 6 decimal places when necessary.Two cards are selected without replacement from a standard deck of 52 cards. What is the probability that both cards are the same color (i.e.either both black or both red)?

Determine whether the events A and B are independent.A balanced die is rolled twice. Event A: The sum of the two rolls is 8 Event B: The first roll comes up 3