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2 cards drawn from a 52 but before the second card is drawn you put the first one back and reshuffle the deck
a) Are the outcomes on the two cards independent and why?
b) Find p(3 on first card and 10 on second), find p(10 on the first card and 3 on second).
c) Find the probability of drawing a 10 and an 3 in either order.
Between 180 and 230 (inclusive) of the drivers in the sample regularly wear a seatbelt? Hint: Use the BINOMDIST function in Excel.
Is spine bone density is normally distributed in young women with a mean of 1.0 g/cm 2 and a standard deviation of .10 g/cm 2 , then how many young women out of 100 would you expect to have bone densities less than .85 g/cm 2 ?
30% of college freshmen support increased military spending. If 12 college freshmen are randomly selected, find the probability that more than 5 selected students support increased military spending.
Concept of statistical signi cance
What is your initial perception of this information? What are other ways, beyond looking at the p-value alone, you could use to try to interpret what this outcome of r(2398) = -.21 tells us about the relationship between length of time taking drug..
Normal distribution of 5 pounds per square inch, standard deviation of 1.5 pounds per square inch, what proportion have less that 3.17 pounds per square inch, at least 3.6 pounds, are between 5 and 5.5 and 95% will be contained between what two va..
Find the sample mean and sample standard deviation for the amount of unspent money returned at the end of the day.
The probability is 90% that the sample percentage is contained within what symmetrical limits of the population percentage?
He is sorry but there is a 99.9% (1-0.001) chance that you have HIV. Is he correct? What is the actual probability that you are HIV positive?
A building contractor pays $500 to bid on a contract. If he gets the contract, the probability of which he estimates to be 0.70, he will make a profit of $50,000.
Complete the table and answer the following questions. Use the .05 significance level.
Use the relative frequency approach to construct a probability distribution for the number of tests taken.
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