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What is the probability that someone in country A consumed more than 12 pounds of coffee in 20008?In 2008, the per capita consumption in Country A was reported to be 8.3 kh or 18.23 pounds. Assume that the per capita consumption of coffee in Country A is approximately distrubited as a normal random variable, with a mean of 18.23 pounds and a SD of 5 pounds
What is the probability that someone in country A consumed between 3 and 7 pounds of coffee in 2008?
What is the probability that someone in country A consumed less than 7 pounds of coffee in 2008?
98% of people in country A consumed less than how many pounds of coffee?
Produce trucks arrive at the weigh station at the California border at a rate of 3 per hour according to a Poisson distribution. Livestock trucks arrive at that same weigh station at a rate of 2 per hour according to a Poisson distribution.
astudy of 31000 hospital admissions in new york state found that 4 of the admissions led to treatment-caused injuries.
A 2005 study found that 202 women held board seats out of a total of 1,195 seats in the Fortune 100 companies. A 2003 study found that 779 women held board seats out of a total of 5,727 seats in the Fortune 500 companies.
some nurses in county public health conducted a survey of woen who had received inadequate preatal care. they used
What decision should be made according to the maximax decision rule and what decision should be made according to the minimax regret decision rule?
They also know that the distribution of loss from fire has a skewed distribution; many have $0.00 losses and a few have large losses.
A job placement director claims that the average starting salary for nurses is $24,000. A sample of 35 nurses has a mean of $23,450 and a standard deviation of $400.
Testing for equality of variances - Independent random samples were taken from normal distributions of the yearly production of ships built by the International Ship Building Company under
Findout the consumption level separating the bottom 45% to the top 55%. The September energy consumption levels for single family homes are found to the normally distributed with a mean
My question bout How do I use the TINV function within excel to back out the t-statistic for the test? Why did you use the TDIST function? I know ho to use the TINV function, but what does it mean to back out the t-statistic for the test?
A random sample of n=36 is taken resulting in a sample mean of 63 and s=9. conduct the appropriate hypothesis test and make a decision.
Develop upper and lower control limits (99.7%) for the proportion of students with complaints.
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