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Major league baseball game durations are normally distributed with a mean of 170 minutes and a standard deviation of 50 minutes.
What is the probability of a game duration of more than 190 minutes?
Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12).
A shipment of 100 pins contains some defectives. To decide whether to accept the shipment, the consumer follows a sampling plan where 15 items are cho- sen at random from the sample and tested. If the number of defectives in the sample is at ..
for binomial distribution with n 10 and probability of success p 0.4 find probability of less than 3 successes x lt 3
consider a small self-service car wash that has cars arriving with exponentially distributed inter arrival times at a
1. a previous survey showed that 83 of the people who take the daily newspaper read the sports section. what sample
Suppose the systolic blood pressure Xand fasting blood sugar Y are jointly distributed as bivariate normal in some population with means 120 and 105, standard deviations 10 and 20, and correlation 0.7. Find the average fasting blood sugar of those..
Suppose the amount of minutes used per month is distributed normally with a mean of 700 minutes and a standard deviation of 120 minutes. What is the probability that more than 820 minutes were used?
the distribution of vitamin c amount in vitamin drops produced by a given factory is approximately normal with a mean
Take a position on whether or not the total area under a normal distribution is in?nite. Provide an example to support your response.
a car insurance company performed a study to determine whether an association exists between age and the frequency of
Find the expected value of Y when x = 150, E(Y | 150).- How much change in the dependent variable is expected when x increases by one unit? Justify your answer.
An urn contains 5 yellow balls and 4 orange balls. If Juan chooses 5 balls at random from the urn, what is the probability that he will select 2 yellow balls and 3 orange balls? Round your answer to decimal places.
suppose alice flips three fair coins and let x be the number of heads showing. suppose barbara flips five fair coins
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