Question

# If the probability of a swan drowning is 0.14, find the probability of exactly 4 out of the 7 swans

drowning.

If the probability of getting a sour maid a-milking is 0.37, find the expected number of sour maids a-milking in the group of 8.

If the probability of a dancing lady accepting an invitation to dance is 0.57, find the expected number of ladies you would have to ask before one accepts.

If the probability of a lame leaping lord is 0.45, find the probability of getting your first lame leaping lord after the sixth attempt.

If the probability of frozen pipes is 0.73, find the probability of 8 or more frozen pipes out of the eleven.

If the probability of a dribbling drummer is 0.43, find the standard deviation of the dribbling drummers drumming for twelve drummers drumming.

#### Top Answer

a) 0.0086 b) 2.96 c)... View the full answer