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Two friends are training for the boston marathon. James is training on a hilly jogging loop. Forthe general population of runners, the time to complete this loop follows anormal distribution with a mean of 167 minutes and a standard deviation 25 minutes. Rob is training on a flat fogging route. The time to complete this flat route follows a normal distribution with amean of 143 minutes and standard deviation 20 minutes. If it takes James 91 minutes to complete his loop, andit takes Rob 86 minutes to complet his loop, who is in better condition?
Cardio-Pulmonary Resuscitation (CPR). In 180 days of school, about how many days can we expect that the teacher on bus duty will likely be certified in CPR?
A football team's season ticket sales, percentage of games won, and number of active alumni for the years 1992-2000 are given below:
If 8 women are randomly sampled, what is the probability that 0 through 8 of the women are employed outside the home?
Determine the probability that 5 or less questionnaires will be returned? Compute also probability that 7 or more questionnaires will be returned.
where 1 = smooth-yellow, 2 = smooth-green, 3 = wrinkled-yellow, and 4 = wrinkled-green. Can the measures of variation be obtained for these values? Do the results make sense?
The standard deviation of the distribution of means of change scores is 2.0 and the mean change score for the sample studied is an increase of 5.2. What is the t score?
question consider that you are a line manager in your current corporation. there is a 0.50 probability that you will
Share your determination of probability in each of the situations. Explain how these two ways of assessing probability are different and how they can help make decisions.
The mean weight of 500 students is 151 lbs and the standard deviation is 15 lbs. Assuming the weights are normally distributed, find out how many students weigh between 120 and 155 lbs.
Describe the goal of an experimental research study and identify the two elements that are necessary for an experiment to achieve its goal.
A multiple regression analysis includes 25 data points and 4 independent variables results in SST = 200 and SSR = 150. the multiple standard error of estimate will be?
Loans that are 60 days or more past due are considered seriously delinquent. The Mortgage Bankers Association reported that the rate of seriously delinquent loans has an average of 9.1% (The Wall Street Journal, August 26, 2010). Let the rate o..
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