Assue the random variable X is normally distributed with mean = 50 and standard deviation of 7. Compute the probability. P(54

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

If you could answer these your a life saver

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost