For x a binomial random variable with n=5 and p=1/4, answer the following
a) what's p(x=2)
b) what's p(2 x )
c) what's the expected value of x
d) what's the standard deviation of x

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds

Which of the following is the sum of 3 1/6 + 6 3/8?

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.