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Let X be a random variable with probability density function 630x4(1 - x)4, 0 < x=""> 1,f(x) = 0, otherwise.
(a) Obtain the lower bound given by Chebyshev's inequality for P {0.2 X 0.8}.
(b) Compute the exact probability, P {0.2 X <>0.8}.
approximately 29 of the calls to an airline reservation phone line result in a reservation being made.a suppose that an
The number of newspapers sold daily at a kiosk is normally distributed with a mean of 300 and a standard deviation of 30. Calculate the probability that less than 250 newspapers are sold on a particular day.
the data in this question come from from sen and srivastava exercise 2.12 2 and can be used to model car ownership
question the mean life of a battery used in a digital clock is 305 days. the lives of the batteries follow the normal
A production process that is in control has a mean (m) of 80 and a standard deviation (s) of 10. Determine the upper and the lower control limits for sample sizes of 25
The data comes from a set of scores on a 50 point Bilogy 101 test. 90 subjects took the test. The scores range from 12-50. How to make a simple frequency distribution table, using the raw data?
a birth is selected at random. define events b the baby is a boy and f the mother had the flu during her pregnancy.
perform the two anova tests. include the anova table and an explanation of your results. be sure to write full
For the samples summarized below, test the hypothesis that the two variances are equal, at α = 0.05
the ncaa is interested in estimating the difference in mean number of daily training hours for men and women athletes
suppose 1568 of 2033 registered voters sampled said they planned to vote for the republican candidate for president.
suppose random poll of 632 likely voters in alabama found that 373 feel that daylight savings time should be abolished.
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