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Finding the probability value using normal approximation
Use the normal distribution to approximate the desired probability. Find the probability that in 200 tosses of a fair die, we will obtain at exactly 30 faces.
a..0871
b..0429
c..0619
d..1871
Find the relative risk for moderate beer drinkers as compared to nondrinkers, finds the 95% confidence interval
If 16 out of 20 spins just came up black, determine the probability that next spin is going to be red?
Determine the following probabilities: Events A and B are mutually exclusive events defined on common sample space.
Draw a normal probability plot for residuals using excel or Minitab. Do the residuals seem normally distributed? If yes, why?
Use this information to compute a 95% confidence interval for average number of credit cards carried by students.
Use the permutations rule to determine the total number of different ways the winners can be drawn.
What is probability of selecting 2 families neither had taxes prepared by H&R Block?
Calculate the expected number of days it takes to get the order and standard deviation.
Using the following data on 15 workers, construct an exact 95% confidence interval for µ.
He randomly samples 45 oil wells throughout the United States and determines the mean output to be 10.7 barrels per day with a standard deviation of 1.3 barrels. Test the researcher's claim at the .025 level of significance.
If you draw one ball from the urn what is the probability that it is blue or white?
In general, determine the standard score a measure of?
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