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Let ./{x) = !, x = 1, 2, 3, 4, 5, 6, zero elsewhere, be the p.d.f. of a distribution of the discrete type. Show that the p.d.f. of the smallest observation of a random sample of size 5 from this distribution is gl(yl) = (7 -6 Y•)s -(6 -6 Y•)s, , y, = 1, 2, . . . , 6, zero elsewhere. Note that in this exercise the random sample is from a distribution of the discrete type. All formulas in the text were derived under the 'assumption that the random sample islrrom a distributioh of the continuous type and are not applicable. Why?
To avoid losing money, the top 5% (the heaviest 5%) is labeled overweight. A) What proportion of boxes is underweight?
These two questions related to Basic Statistics. The first question discuss about increasing scores and correlation widely spreading out
an industrial arts instructor has deisgned a test of mechancical aptitude mecha and having investigated its properties
based on this data give your answers to parts a-c as fractions or decimals to at least 3 decimal places. give your to
Basing ?ndings on 60 successful pregnancies involving natural birth, an experimenter found that the mean pregnancy term was 274 days, with a standard deviation of 14 days. Construct a 99% con?dence interval for the true mean pregnancy term μ.
Now they need your help to determine if the mean number of news shows watched in your neighborhood is similar to the national mean.
Of those customers using extra unleaded or premium gas, 60% fill their tanks. What is the probability that the next customer fills the tank?
a six-sigma black belt quality control engineer found that in a random sample of 140 printed circuit boards 18 are
Determine the probability that person's monthly gasoline (gallon) purchases will be less than 67 gallons.
The scores of the GRE exam are transformed so they have a mean of 500 and standard deviation of 100. The scores are known to be normally distributed. What is the percentage of students that score below 750?
Assume that x has a normal distribution, with the specified mean and standard deviation. Find the indicated probabilities.
8.which of the statements about line-balancing is true?a.if a precedence relationship exists between tasks a and b they
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