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Suppose a fair die is rolled ten times. Find numerical values for the expectations of each of the following random variables:
a) The sum of the numbers in the ten rolls:
b) The sum of the largest two numbers in the first three rolls:
c) The maximum number in the first five rolls:
d) The number of multiples of three in the ten rolls:
e) The number of faces which fail to appear in the ten rolls:
f) The number of different faces that appear in the ten rolls:
Find the sum of the residuals. Here are the 16 residuals for the NEA data rounded to two decimal places:
(a) What is the probability that the number of heads equals the number showing on the die?
Calculate the regression. Show numbers as two decimal places even if you get 0.00. Print out the Excel results and include them with your homework.
In order that the sample proportion and the population proportion not differ by more than 0.05 with 95% level of confidence, what sample size should be used?
A researcher reports a mean pulse rate of 80 for the ampled patients. the data also revealed a standard deviation of 10.5. what percent of patients pulse rates will fall between 69.5 ans 90.5?
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a sample of 250 observations is selected from a normal population for which the population standard deviation is known
Carry out suitable multiple comparison procedure to determine the source of the difference.
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