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1. A nefarious gambler has developed a weighted six-sided die, with sides marked 1,2,3,4,5, and 6. The probability that a 6 is rolled is 0.4, and all the other sides are equally likely. Define the random variable X = the value on the die when it is rolled once.
2. (a) Write out the probability distribution function of X. (b) Compute the probability that an even number is rolled. (c) Compute the expectation and variance of X.
question if the same circle is used then what is the ratio of the area of the circumscribed square to the area of the
If each item is supposed to have a value within 35 ± 10, what is your estimate of the percentage of items that will fall within this specification?
No, there is not enough information to refuse hypothesis that proportion of male students who live on campus and proportion of female students who live on campus are same as the test value -1.65 is inside acceptance region (-1.96,1.96).
A large company must hire a new president. The Board of Directors prepares a list of five candidates, all of whom are equally qualified. What is the probability one of the minority candidates is hired
a building is designed to resist loading from earthquakes. the capacity in terms of force factor is assumed to follow a
What is the value of the population mean? What is the best estimate of this value? Explain why we need to use the t distribution. What assumption do you need to make?
Two six-sided (balanced) dice are thrown. Find the probabilities of a= 5 does not occur on either throw;and the sum is 7;
What is the healthy-user bias? Why does it make it difficult to draw causal conclusions from observational studies? What is the prescriber effect? Why does it make it difficult to draw causal conclusions from observational studies
a recent report indicated an average family of four 2 parents and 2 children under the age of 16 spends 500 per month
If a pet store wishes to determine the level of customer satisfaction with its services, would it be appropriate to conduct an experiment? Explain.
a. Having obtained a random sample from a population, you wish to use a chi-squared test to decide whether the population distribution is standard normal. If you base the test on six class intervals having equal probability under H0, what should b..
bones brothers amp associates prepare individual tax returns. over prior years bones brothers has maintained careful
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