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The reduction of a person's oxygen consumption during periods of transcendental meditation may be looked upon as a random variable having the normal distribution with mean 38.6 cc per minute and standard deviation of 6.5 cc per minute. Find the probability that during a period of transcendental meditation a person's oxygen consumption will be reduced by at least 33.4 cc per minute.
1. .78812. .28813. .21194. .7119
When estimating the mean of a population, how large must the sample be in order that the 95% error margin is 1/8 the standard deviation?
At this point, you believe customers are now ready to begin risk analysis and understand the risk differences among various investments.
The number of citizens who selected roads as the highest priority for the improvement funds is what percent of the number of people who selcted water and sewer as the top priority
How to find mode graphically when the biggest rectangle is at the end
During a marketing visit a positive indication was obtained. in the past this has resulted in improving the chance of receiving the contract to 0.6. Does this change your decision in part (a)?
Based on these data, does it seem that strength of relationship between sales and promotions expenditures is enough to permit using linear regression forecasting model? Describe why?
suppose we want to determine the binomial probability p of getting 5 heads in 15 flips of a 2-sided coin. using the
Determine odds student gets more than 14 questions correct? Determine the odds student gets exactly 12 questions correct?
What proportion of aircraft flew more than 2200 hours during the year?- What proportion of aircraft flew between 2000 and 2400 hours during the year?
A new restaurant with 123 seats is being planned. Studies show that 57% of the customers demand a smoke free area. How many seats sould be in the non-smoking area in order to be very sure (mean+3StandardDeviation) of having enough seating there?
At the .10 significance level you will test to determine if there has been an increase in selling time. Is this a 1 or 2 tail test?
it is found that when a particular 4-sided die is rolled a 1 occurs 26.9 of the time a 2 occurs 23.8 of the time a 3
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