The random variable x representing the number of cherries

Assignment Help Basic Statistics

Reference no: EM13642517

The random variable X, representing the number of cherries in a cherry puff, has the following probability distribution:

x	4	5	6	7
P(X=x)	0.2	0.4	0.3	0.1

(a) Find the mean and variance of X.

(b) Find the probability that the number of cherries in a cherry puff will be no more than 5

(d) Find the probability that the average number of cherries in 36 cherry puffs will be greater than 5.5

Reference no: EM13642517

Questions Cloud

A skateboarder starting from rest rolls down a 120-m ramp : a skateboarder starting from rest rolls down a 12.0-m ramp. when she arrives at the bottom of the ramp her speed is

A multiple-choice test contains n questions if answers are : a multiple-choice test contains n questions. if answers are randomly selected the correct answer will be selected with

Determine the magnitude and direction of the theoretical : during high jump practice an athlete reached a maximum height of 3.03 m where the time to reach the apex was 0.58 s.

Calculate the mass of the water vapor pressure present in a : calculate the mass of the water vapor pressure present in a room of volume 400m3 that contains air at 27 degrees c on a

The random variable x representing the number of cherries : the random variable x representing the number of cherries in a cherry puff has the following probability

Attach a copy of the graph of the average class data for : attach a copy of the graph of the average class data for mass of barium sulfate versus volume of barium chloride. what

While the spring is being compressed what work is done on : a 280 g block is dropped onto a relaxed vertical spring that has a spring constant of k 2.0 ncm. the block becomes

Determine the probability distribution for the number of : recent information published by the u.s. environmental protection agency indicates that honda is the manufacturer of

A 175 g mass of ice at 273k is added to 125g of h2ol at : a 17.5 g mass of ice at 273k is added to 125g of h2ol at 325k at constant pressure. is the final state of the system

User Account

All Pages