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An average of 8.5 cars are sold per 10-hour day on Saturdays and Sundays in January and February. A) On the first Saturday in February, the dealership opens at 9am. Find the probability that the time until the first sale is more than 2 hours. P(T >= 2 hours|m=8.5 cars per 10 hours). B) Find the probability that the number of sales before 11am is equal to zero. P(X=0 in 2 hours|m=8.5 cars per 10 hours). C) The owner pays his salespeople bonuses based on the number of cars sold per day. $200 for 13 cars, $300 for 14 cars, $500 for 15 cars, and $700 for 16 cars. On any given day, what is the expected bonus the owner will have to pay. D) Based on the bonus information in Part C, there are 4 Saturdays and 4 Sundays in February. What is the probability that the owner will have to pay the $200 bonus exactly twice in those days?
Calculate the total tax bill for both low and high income individuals in both countries and fill in the table above with your results and what is the unemployment rate
Find the test statistic and do the two-sample test for equality of proportions. Is the decision close?
Determine the number of stores that must be sampled in order to estimate the true proportion to within 0.05 with 95% confidence using the large-sample method.
The length of the snake Vipera bertis (X), measured in centimeters, is assumed to be normally distrubuited with mean 63 and variance 22. The weight (Y) is measured on grams, can be calculated by using Y= -300 + 7x.
What is the probability that the average amount dispensed in a random sample of size 10 is at least 204 milliliters - What is the probability that less than four correct answers in quiz 2?
Examine the relationship between Traced by MedicalAid. Is there evidence that whether or not a child was traced is independent of whether the mother had medical aid
Use Analyze, Descriptive statistics, Frequencies to summarize nonmetric variables, and create a pie-chart for Year in college and create a histogram for IQ and include the normal distribution.
A manufacturer of electronics kits has found
And the rest of the people were from River City. Out of the sample, 19 people had some form of cancer. Thirteen of these people were from Laketown
Create the second data set by inserting eight data points all very close to 10 on the number line and record the standard deviation of this data set, and then delete that data set.
The mean life span of a brand name tire
A paper company is interested in estimating the proportion of trees in a 500-acre forest with diameters exceeding 2 feet. The company selects 25 plots (100 feet by 100 feet) from the forest and utilizes the information from the 25 plots to help..
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