In your area, 23% of firms are owned by women. You call local firms at random in order to sell them accounting software. You phone 7 local businesses at random. a) What is the probability that 2 of the 7 are owned by women? b) What is the probability that at least 2 of the 7 are owned by women? c) What is the mean and standard deviation of the number of businesses owned by women?

a) The probability is_____(Round to three decimal places as needed.)

b) The probability is_____(Round to three decimal places as needed.)

c) The mean is_____(Round to three decimal places as needed.)

d) The standard deviation is_____(Round to three decimal places as needed.)