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Let Yi <>Y2 <>···<>Y48 be the order statistics of a random sample of size 48 from a distribution of the continuous type. We want to use the observed interval (y4 , y45 ) as a lOOy percent tolerance interval for 75 percent of the distribution.
(a) To what is y equal?
(b) Approximate the integral in part (a) by noting that it can be written as a partial sum of a binomial p.d.f., which in turn can be approximated by probabilities associated with a normal distribution.
On a test, a sample of 5 students has a mean score of 78. The scores of four students of them are: 87, 81, 76, 53. Find the test score of the fifth student and standard deviation of this sample.
the diameter of ball bearings produced in a manufacturing process can be explained using a uniformprobability
10 parts produced by this machine are randomly selected, what is the probability that more than 2 turn out to be defective? Round your answer to four decimal places.
Let X be the cost of the sofa. What is the average cost of a sofa if the advertised sofa is $250 and the more expensive sofa is $ 375?
A fair coin is flipped 3 times. Compute the odds of flipping 3 tails.
in a recent new york city marathon 25221 men finished and 253 dropped out. also 12883 women finished and 163 dropped
At the 0.05 level of significance, is there evidence of a difference in the daily customer count based on the price of a small coffee?
1. tensile strength tests were carried out on two different grades of wire rod resulting in the accompanying datagrade
Using two-tailed test with α = .05, is there significant difference between two treatment conditions? Calculate r2 to measure percentage of variance accounted for by treatment effect.
The School of Engineering has decided to accept those students whose scores fall within the top 15%. What is the minimum score an applicant must have in order to be accepted into the Engineering School
in a community 40 of the population is smoker. i randomly choose 60 residents from that community and ask if each of
The industry standard suggests that 10% of new vehicles require warranty service within the first year. Jones Nissan in Sumter, South California, sold 12 Nissans yesterday. What is the probability that none of these vehicles require warranty servic..
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