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Random variable N has a Poisson(?) distribution and Y |N = n has a Binomial (n, 1/2) distribution. Find the moment generating function for Y , E[etY ]
One of the most commonly used statistical techniques is the comparison of two means, also known as the t-test (for this you need quantitative, or interval level data).
a certain office building infrequently experiences power outages. it is known that the probability of a power outage on
What is the rejection point at α = .01 and indicate if you would accept or reject H o ?
Students in the social work course received the following course grades. Create a frequency distribution for this data. Compute the mean. Determine the median.
the following games are played with 8 cards the four kings and the four aces. the dealer fans the cards with their back
In a sample of 450 students from different countries, we found that the number of students in private school in that sample was 50 students.
If a survey of 109 randomly selected united states residents is to be taken, what is the approximate probability that at least 60 will be under 31 years of age?
q1.in a recent study of 250 female freshmen showed that 70 did not want to work after marriage. find the 95 confidence
the interquartile range is used as a measure of variability to overcome what difficulty of the range?a. the range is
20 are selected without replacement for functional testing. If 20 cards are defective, what is the probability that at least 1 defective card is in the sample?
Canceled on the day of the flight is (1.2%,4.5%). What is the point estimate of the mean percentage of reservations canceled on the day of the flight?
A political strategists believes that less than 55% of voters in a certain state support a particular issue. He then commission s a poll of 500 voters and 54% of them support this issue. If a = .05, is the political strategist's belief warranted
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