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A salesman has 30 appointments this week. The probability of making a successful sale is 0.58. What is the probability the salesman will make at least 18 sales for the week (Binomial distribution), exactly 19 sales, and less than 12 sales?
Exactly being zero?
Can you please show me how you came to conclusion?
a store wishes to predict net profit as a function of sales for the next year. the following table gives the years 1998
Create the 95% confidence interval about mean value of y, number of days absent, given x = 95 degrees, and = 0.449x - 30.27
Identify a qualitative and quantitative variable. If you need to use two data sets to have both a qualitative and quantitative variable, that is okay.
Construct a 95% confidence interval estimate for the population proportion of airline travelers who think that the airline fee that is most unreasonable is additional charges to redeem point/miles.
A medical researcher estimates that no more than 55% of U.S. adults eat breakfast every day. In a random sample of 250 U.S. adults, 56.4% say they eat breakfast every day.
for the sample of eight bears researchers measured the distances around the bears chests and weighed the bears. minitab
A realtor is trying to sell a large piece of property. She believes there is a 0.90 probability that the property will be sold in the next 6 months.
Shouldn"t say never, two have made it from maybe twenty. This one makes it, Does anyone know what the popular vote was.? What was the percentage for each leader?
Using the 5% significance level, can you conclude that the average paired difference for concentration levels is different from zero?
Write down the estimated regression equation, and verbally interpret the intercept and the slope coefficients (in terms of geysers and eruption times).
If the exact probabilities are too difficult to determine for m = 9 and n = 12, approximate these probabilities.
Assistant dean use a sample of application to determine whether the mean examination score for freshman application has changed. State the hypothesses.
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