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A bag contains 12 colored balls, each ball being either black or white. The probability of drawing a white ball twice with replacement is 1/16. How many white balls are in the bag? Place your answer in the blank, do not include any decimals or other marks. For example, 7 would be a legitimate entry.
There are white balls in the bag
What is the probability that a call lasted between 180 and 300 seconds? What is the length of a call if only 1% of all calls are shorter?
Plot Kaplan-Meier Survival curve estimates along with true survival curve for n=25,100,1000
Find the probability that a random sample of 4 male Siberian tigers will have a sample mean weight more than 450 lb.
Which measures of central tendency will always have but one (1) value for a set data?
for a population with a mean equal to 100 and a standard deviation equal to 25 calculate the standard error of the mean
The null hypothesis is that the distribution of mother's educational level is the same for both treatment groups. The value of the chi-square statistic is 7.422. Evaluate the P-value
chi squarea. what happens to the degrees of freedom in a chi-square as the sample size gets larger? explain your
in a test of effectiveness of garlic for lowering cholesterol 42 subjects were treated with garlic in a processed
A production process is known to produce a particular item in such a way that 5 percent of these are defective. If two items are randomly selected as they come off the production line
question during a period of one month a random sample of 27 approved life insurance policies is selected and the
At a large university, 500 freshmen take their final exam for their marketing course. Scores are normally distributed with a mean 79 and standard deviation 7.
Mean and standard deviation for new sample were then computed to be M _ 6 and s _ 3. Write down the values of mean and standard deviation for original sample?
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