1.

x	0	1	2	3
p(x)	9/10	1/20	1/25	1/100

Logan wants to know how many skateboards have defective parts. He inspects 20,000 skateboards and keeps track of the number of defects per board. Use his probability distribution table to find the expected value for defects on a skateboard.

2.

If a coin is flipped five times, the probability of getting heads all five times is ___________. Mark all that are true.

Options:

The same as rolling a prime number on a number cube five times.

1/32

The probability of getting this answer correct.

The same as getting tails all five times.

The same as rolling a 2 on a number cube five times.

1/2

Never