Find the expected value of the winnings from a game that has the following
payout probability distribution:
Payout ($) 0
1
2
5
10
Probability 0.12 0.2 0.38 0.2 0.1
Expected Value = [?]
Round to the nearest hundredth.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4