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using a contingency table showing a calorie suppose one type of cereal is selected randomly,what is the probability that the cereal would be high fiber?(2)what is the probability that he cereal would be high fiber?(3)what is the probability that a cereal would be both high calorie or high fiber?(4)what is the probability that a cereal would either be high calorie or high fiber?(5)what is the probability that a cereal would be high calorie given that its high fiber?(6)what is the probability that a cereal would be high calorie given that its low fiber?(7)regarding questions 5 and 6,how might you interpret this information as a consumer?(8)using the simple test of independence,decide if the events high calorie and high fiber are independent or dependent,show work.(9)discuss how the excel command "countif"was used in the table.why were the ranges (such as f2:f23)used as they were?
Suppose that the average annual salary for the worker in United States is $39,000.00 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $7,000.00.
Students whose test scores are in the upper 10% are eligible for scholarship opportunities for college. What is the test score that corresponds to the upper 10% cutoff point of the probability distribution?
If an urn is selected at random and a ball is drawn, find the probability it will be red.
In an article in the Journal of Management, Morris, Avila and Allen studied innovation by surveying firms to find the number of new products introduced by the firms.
The data follow. Males Females 27 25 25 29 19 18 10 23 16 20 22 15 14 19 (a) What statistical test should be used to analyze these data?
Conduct the following test using 95% level of confidence.
Determine the probability the transmission will break down between 100,000 and 200,000 miles?
The pet-drug market is growing very rapidly. Before new pet drugs can be introduced into the market place, they must be approved by the U.S. Food and Drug Administration.
The actual weight of soap powder in a box has a normal distribution with a mean of 33 oz. and a standard deviation of 0.8 oz. What proportion of packets are underweight.
What sample size and acceptable level would result in a probability of .05 that a good batch will be rejected and a probability of .10 that a bad batch will be accepted?
At the .05 significance level, is there a difference in the mean number of miles traveled per month between Cincinnati and Pittsburgh employees? Use the five-step hypothesis-testing procedure.
Dr. Stallter has been teaching basic statistics for many years. She knows that 80 percent of the students will complete the assigned problems.
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