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The university policy department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with mean of 6.0 tickets per day. Find the probability that exactly six tickets are written on a randomly selected day from this distribution.
a) .160
b) .446
c) .606
d) 0
What is Bayesian sample size determination for ANOVA and regression with formula?
The price of XYZ Corporation stock is normally distributed all through the year with mean of $42.00 per share and a standard deviation of $2.25 per share. Suppose that the stock is traded 240 days out of the year.
Find the average cost of a loaf of bread in your area and compute the cost per day for one year. (Remember that average is the mean, median, mode, and midrange, but choose the best for the data.) 1. What measures of central tendency did you use?
Using an appropriate statistical test determine if there is a significant association between gender and satisfaction with the new initiative.
Describe the sampling distribution of the sample mean.
1st a confidence interval is constructed without utilizing the finite population correction factor.
Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.
What is the probability that a cereal would either high calorie or high fiber? In other words, what is P(high calorie or high fiber)?
The Roller Products Company produces roller skates and skateboards. It has three production lines. Production line 1 makes skateboard platforms.
Write down the probability of that the median of the sample or average medians is greater or more than 320 minutes?
As part of a safety check, the Keystone Cops randomly stopped 65 ambulances and checked their tire pressure. The sample mean was 32 lbs/sq. in. with a sample standard deviation of 2 lbs/sq. in. Find the 98% confidence interval for the population m..
The height and diameter of 31 trees of a certain species were measured, the trees were cut down, and the volume of usable lumber was determined. Find the explanatory variable(s) in this study are
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