A biased coin is tossed 10 times and the probability of obtaining heads is 0.6. Find the probability of obtaining the following. Round answers to the nearest ten-thousandth.

32. at 1 heads

38. At most 2 heads.

Suppose that X is the number of successes in an experiment with 9 independent trials where the probability of success is 2/5 Find each of the following probabilities. Round answers to the nearest ten-thousandth.

50. P X( > 6)

For each binomial experiment described in problems 59-68, find: A. The mean. B. The variance.

62 An experiment consists of tossing a biased coin 11 times and observing the number of times the coin lands on heads. The probability that the coin lands on heads is 0.75

find A. the mean

66. Sixty college students are tested to see if they have a specific food allergy. The probability that a randomly selected person has the food allergy is 0.065.

find B. the variance