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1. Cards are drawn one at a time, without replacement, from a deck of 52 cards until the first club card is obtained. Let X be the number of draws required.
(a) Find the mass function of X .
(b) Find the mean of X .
2. X is uniformly distributed on f1; 2; ::: ; ng, and Y is uniformly dis- tributed on f2; 4; : : : ; 2ng; X and Y are independent variables.
(a) Find the variance of X C Y .
(b) Find the variance of XY .
(c) Find P.Y > X/.
using the table of continuous data below how would i compute the 25th 50th and 75th percentiles?2512897456563474
on october 22 you plan to purchase a 3000 computer by using one of your two credit cards.the silver card charges 18
keyless entry clickers are used to open doors in a variety of products. suppose you are a quality control statistician
Suppose that Total Revenue = 200Q and Total Cost = 80 + 50Q where Q, the quantity sold, is a random variable with expected value 20 and variance 4.
the manager of fyz incorporated has been presented with the following lp modelminimize z 30a 45b costsubject to5a 2b
find the area under the standard normal curve which lies between z 0.72 and z
For machine gun ammunition to be acceptable, the US Army requires that 96 percent of rounds fired hit a specified target. The test is to fire a 50 round burst at the target and observe whether this condition is met.
If Accrotime guarantees full refund on any defective watch for 2 years after purchase, determine percentage of total production will company expect to replace?
Write an equation of the plane tangent to the surface S given by x = u^2 + v, y = u + v^2, z = uv, ((u,v)?R^2) at the point P with u = 2, v = 1.
The purchasing company can detect the defective wiring. What is the probability that the purchasing company will find the following?
Assume that we know from previous studies that the population mean for minutes of exercise per week for college students is Uu= 100 with a standard deviation =25
how is the denominator influenced by sample variability and given this why do we need a larger sample for between
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