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draw the density curve corresponding to each of the following random variables and then shade the area corresponding to
for each of the following situations assume that x is a binomial random variable with the specified n and p and find
for each of the following scenarios write the desired probability in a format such as px 10 and specify n and p do not
suppose that x is a uniform random variable where x is between 0 and 10a what is the probability that x will be between
suppose that the time students wait for a bus can be described by a uniform random variable x where x is between 0
a game is played with a spinner on a circle like the minute hand on a clock the circle is marked evenly from 0 to 100
in each situation below calculate the standardized score or z-score for the value xa mean mu 0 standard deviation
in each situation below calculate the standardized score or z-score for the value xa mean mu 65 standard deviation
for each value of z find the cumulative probability pz le za z 196b z -233c z 258d z
weights x of men in a certain age group have a normal distribution with mean mu 180 pounds and standard deviation
draw the density curve corresponding to each of the following normal random variables and then shade the area
find the following probabilities for a standard normal random variable za pz le 214b pz le 14c p214 le z le 14d pz ge
find the following probabilities for verbal sat test scores x for which the mean is 500 and the standard deviation is
an insurance company expects 10 of its policyholders to collect claims of 500 this year and the remaining 90 to collect
suppose the probability that you get an a in any class you take is 3 and the probability that you get a b is 7 to
find the standard deviation for the net gain in the california decco lottery game in given exampleexample california
a computer chess game and a human chess champion are evenly matched they play ten games find probabilities for the
find the expected value for the number of girls in a family with three children assuming that boys and girls are
find the standard deviation for the sum of two fair dice the probability distribution was found in given exampleexample
refer to given exercise if the insurance company wants to make a net profit of 10 per policyholder for the year how
in 2004 70 of children in the united states were living with both parents 23 were living with mother only 3 were living
suppose you have to cross a train track on your commute the probability that you will have to wait for a train is 15 or
a fair coin is flipped 200 times the random variable x number of heads out of the 200 tossesa is x a binomial random
for each of the examples below decide if x is a binomial random variable if so specify n and p if not explain why nota