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Suppose you have the experiment of flipping a coin three times.
(a) State the sample space.
(b) Find the probability of getting 0 heads.
(c) Find the probability of getting 1 head.
(d) Find the probability of getting 2 heads.
(e) Find the probability of getting 3 heads.
(f) Write the probability distribution for the random variable, x, being the number of heads.
(g) Draw a histogram of the probability distribution.
(h) Find the expected value for the probability distribution.
(i) Find the standard deviation for the probability distribution.
Find a 90% confidence interval for the mean amount left by all groups.
Calculate the probability that the median of the sample or average medians is:
Determine the mean and the standard deviation of the sample.
Carry out the global test of hypothesis to find out whether any of the regression coefficients are not equal to 0. Use.05 level of significance.
The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages.
Assume that flight times from SAN to ATL are exponentially distributed with a mean of 4.5 hours and a standard deviation of 0.2 hours. Assume that you must fly from SAN to ATL weekly for the lucrative consulting engagement for one year (52 flight..
What is the probability that a U.S. user who downloads music, selected at random, obtained it from either the United States or Canada.
Determine the probability of choosing at random license plate which ends in the even number?
State one referenced hypothesis including the three variables (FA as an IV, age as the covariate and RS as the DV)
What statement can you made by using the rule of three, about the proportion p, of all its computers which are defective?
Scores on a test have a mean of 73 and Q3 is 81. The scores have a distribution that is approximately normal. Find P90.
Infer that the difference in the level of satisfaction with service between the two branches.
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