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Suppose the probability that an individual has blue eyes is 0.41. Four people are randomly selected.
a. Find the probability that all four have blue eyes.
b. Find the probability that none has blue eyes.
c. Find the probability that exactly two have blue eyes.
a college requires applicants to have an act score in the top 10 of all test scores. the act scores are normally
At α = 0.01 level of significance, test the hypothesis that these data can be described by a Poisson pdf.
Suppose that there is a lottery where you select 3 different numbers between 0 and 9. A digit cannot be selected twice so you can select 123 but not 112. How many different three digit numbers are possible
a company is drilling for oil. when it strikes oil it expects a profit of 100000. the cost of drilling is 5000. if the
State the appropriate null hypothesis H0 and alternative hypothesis Hain each of the following cases. (a) A 2002 study reported that 70% of students owned a cell phone. You plan to take an SRS of students to see if the percent has increased.
what is the taguchi constant for a device that costs 400 to repair and a tolerance of plus or minus 0.5 mm with a mean
birth weights in the us are normally distributed with a mean of 3420g and standard deviation 495g. what is the
What are some other explanations for the negative correlation between cigarette price and annual cigarette consumption?
(a) What is the estimated percentile for a student who scores 705 on Critical Reading? (b) What is the approximate score for a student who is at the 34th percentile for Critical Reading?
Let Yk denote the number of failures between successes k-1 and k of a Bernoulli(p)random process. Also, let Y1 denote the number of failures before the first success. What is the PMF PYk (y)? Is Yk an iid random sequence?
Compute the p-value and interpret its meaning - Construct a 95% confidence interval estimate of the population mean life of the light bulbs.
The probability that a publicity campaign increases the sales is .80. The probability that the cost of developing that campaign of publicity stays within the budget is .40. Suppose that the events are independent, determine the probability that th..
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