Determine the probability of drawing
From a deck of cards you draw five cards without replacement. Determine the probability of drawing:
* 5 spades
* 3 Aces
* 2 jacks and 3 aces
* 2 fives 2 nines and 1 ace
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A box contains 10 chips. The chips are numbered 1 through 10. Otherwise, chips are identical. From this box, we draw one chip at random, and record its value. We then put the chip back in the box. We repeat this procedure two more times, making th
Determine the exponential model n(t)= (initial)2^t/a for population t years after 2006. Exponential model for continuous growth after 2006.
The count in the culture of bacteria was 400 after two hours and 25,600 after 6 hours. Determine relative growth rate of bacteria population? in percentage.
Assume that the distribution of scores in a Math test is normal, with µ = 100 and s = 10. What is the probability that: a score is between 125 and 80?
Find the mean and the variance of Y by first determining E(eX) and E[(eX)^2], by using the mgf of X. Let X be N( 10, 4 ) and Y = eX. Find P( 6,000 < Y < 18,000 ).
Dick and Jane have agreed to meet for lunch between noon (0:00 p.m.) and 1:00 p.m. Denote Jane's arrival time by X, Dick's by Y, and suppose X and Y are independent with probability density functions
Explain the differences between correlations and regressions. Can you describe situations where you would use one of these over the over and why you would do so?
A researcher is investigating relationship between personality and birth order position. A sample of college students is classified into four-order categories (1st, 2nd, 3rd, 4th or later) and given a personality test that measures the degree of c
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