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1. What is the probability of
(a) Two ones in 2 rolls of a die?
(b) Three tails in 3 ?ips of a coin?
(c) A total of 6 in rolling 2 dice simultaneously?
(d) A total of less than 5 in rolling 2 dice simultaneously?
(e) A total of 10 or more in rolling 2 dice simultaneously? 2. What is the probability of obtaining the following from a deck of cards:
(a) A diamond on the second pick when the ?rst card picked and not replaced was a diamond?
(b) A diamond on the second pick when the ?rst card picked and not replaced was not a diamond?
(c) A king on the third pick when a queen and a jack were already obtained on the ?rst and second pick and not replaced?
What probability distribution does n1 alone have? Specify the values of the sample size index and parameter for that distribution
The chart at the right. Does this sample indicate that songs classified as dance music have lower beats per minute than the songs ranked on a Top 200 list?
Can you explain to me how the null and alternative hypothesis for one-sample testing differs from two-sample testing; and explain how these two hypothesis' are the same. Please provide a numerical example:
suppose a production facility purchases a particular component part in large lots from a supplier. the production
a certain colege has 490 of the 584 freshman return as sophomores. does this college have a right to brag that it has
Identify at least one example of probability encountered in everyday life which has not previously been mentioned.
Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:
In a simple random sample of 30 days, what is the probability that the mean number of daily emergency admissions is between 75 and 95?
What is the probability that of today's 1,100 callers at least 5 received a busy signal? Use the poisson approximation to the binomial.
1.a sample of 50 male and 50 female infants were put on an experimental infant formula. after two weeks the parents of
a. give at least two important uses of the moment generating function mgf of an rv.b. could mt 12 e-2t 25 e-t - 25 be
The standard deviations s1 and s2 can be used when Ó1 and Ó2 are unknown and you believe that the underlying distribution is normal. Then, you would use s1 and s2 with the t-test for hypothesis testing.
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