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Two cards are drawn, without replacement, from a standard deck of fifty-two cards. Find the probability of these events.
a. Getting an eight on the first card and a four on the second card.
b. Getting a queen on the first card and a queen on the second card.
c. Getting a heart on the first card and a diamond on the second card.
d. Getting a club on the first card and a club on the second card.
A factory finds,on average, 20% of the widgets produced by a given machine will be defective for certain specified requirements.
1. students take an average of 45 minutes and standard deviation of 8 minutes to complete a certain statistics test. if
The percentage of physicians who are women is 27.2%. In a survey of physicians employed by a large university health system, 48 of 120 randomly selected physicians were women. Compute the test value.
for the valuesx- 3568y- 47710.calculate the followinga. correlation coefficientb. coefficient of determinationc.
It is reported that 45% of all college professors are extroverted. Suppose you have classes with six different professors. What is the probability that all six are extroverts?
How much profit/loss would you have since January 1, 2012 if you traded using long only trades beginning with the first signal after January 1, 2012 assuming you close out your position on the last date?
if there is a strong negative linear relationship between the variables the value pf r will be close to what
let x denote the mean of a random sample of size 25 from the distribution whose p.d.f. is fx x34 for 0ltxlt2 and 0
She wants to be 90% confident and be accurate within 5% of the true proportion. Find out the minimum sample size necessary.
1.which of the following would have a binomial distribution?a.a couple will have children until they have three girls
Metal stamping machine is producing 10 defective parts per hour. Determine the probability that three or fewer defective parts will be output in a randomly chosen hour, by using the Poisson distribution?
Chocolate bars produced by a certain machine are labeled with 16.0 oz. The distribution of the actual weights of these chocolate bars is Normal with a mean of 16.1 oz and a standard deviation of 0.1 oz. A chocolate bar is considered underweight if..
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