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An instant lottery scratch off game offers a 0.04 probability of winning on any one play. Plays are independent of each other. If you play 8 times, what is the probability you win at least once?
1.real estate agents always say location location location is the most important thing in buying a house. we want to
A Department of Trasporta repot about air travel found that nationwide, 76% of all flights are on time. What is the probablity that you will have have excatly 80 flights on time?
The last sample showed a mean and standard deviation of 3.55 and 0.08 inches, respectively. Using α = 0.05, the appropriate decision is?
what is the probability that the sample mean of IQ scores will not differ from the population mean by more than 2 points? (Round your answer to four decimal places.)
The sample resulted in a mean trading volume of > = 39.48. Assuming a population standard deviation of 15.07, compute the margin of error for a 95% confidence interval for mu.
Make up a scatter diagram with 10 dots for each of the following situations:
in a normal distribution with mean 50 and a standard deviation 10 what is the probability of randomly sampling a
Consider the following estimated regression equation, based on 10 observations.
A poll reported that 80% of adults were satisfied with the job major airlines were doing. Suppose 12 adults are selected at random and the number who are satisfied are recorded. find the probability that 9 or more are satisfied with the airlines b..
In teaching the role of statistical application in Health Science, the importance of reliable and valid data is very critical in research process.
Conduct a hypothesis test at the 6% level of significance to determine whether there is evidence that the true mean fill volume for all jugs of softener differs from 120 ounces.
Out of the total nuts manufactured by a company 0.5 percent became defective. The nuts are supplied in packets of 40. Find out the probability number of packets containing.
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