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Suppose X has a poision distribution with a mean of .4. Determine the following probabilities:
a) P(X=1)=
b)P(X<=2)=
2 to every even-numbered card, with aces being 1s. Determine the frequencies of 0, 1, and 2. Use SPSS to get the value of test statistic and p-value.
Then the percentage of women in the populations is 53% and the percentage of men is 47%. If you were to sample 144 people at random, how many would you expect to be women?
Iif the person scores in the upper 6 percent of the distribution. What is the lowest score a college graduate must earn to qualify for a responsible position?
A product is made up of two subsystems in parallel. Subsystem one consists of ten elements in series each with a failure rate of 1/100. The second subsystem consists of 5 elements in series each with a failure rate of 1/200. What is the overall re..
The area under the standard normal probability distribution is?b. the area under the standard normal probability distribution is? c. the area under the standard normal probability distribution is?
question given the situation described identify the type of sampling involved. all the blackjack dealers on break at
What two assumptions must be met when you are using the z test to test differences between two means? Can the sample standard deviations s1 and s2 be used in place of the population standard deviations σ1 and σ2?
In an ABCNews.com nationwide poll done in 2001, the proportion of respondents who thought that it should be illegal to use a hand held cell phone while driving a car was 69 %. The poll's sample was 1027.
Whether the suitable analysis would be one-tailed test or two-tailed test. A type I and type II error, given context of hypothesis.
What is the total amount spent on consumer goods?
Compute test statistic and p -value for each sample. (Negative amount must be pointed out by minus sign.)
Describe the shape of the distribution? what proportion of the players had no hits? how many players had 4 or fewer hits? what percentage of the players had one or fewer hits?
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