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In a survey of 100 business executives, 60 per cent were male and 40 per cent were female. 70 per cent of the male executives used a PDA. Overall, 60 per cent of the executives used a PDA. Consturct a two-way classification table for the survey results.
The probability that a flower seed will germinate is 0.7. Find the mean and standard deviation for the random variable x, the number of seed that will germinate in each set.
q1. consider the hourly payments of a random sample of employees of a food processing plant given in diagrams below150
1.a researcher is interested in comparing sat scores for students enrolled in public schools private schools and those
The MPG (Miles per Gallon) for a mid-size car is normally distributed with a mean of 32 and a standard deviation of .8. What is the probability that the MPG for a selected mid-size car would be less than 33.2?
Compute the approximate jp-value associated with the test statistic. Does the sample data support the null hypothesis at the a- 0.05 level?
A company wants to determine if employees have any preferences among 5 different health plans. A sample of 200 employees provided the data below.
What is the expected number of audits for the 6 randomly selected individuals? What is the standard deviation for the number of audits for the 6 randomly selected individuals?
suppose we have a set of blood pressures with a mean of 70 diastolic and a sample standard deviation of 10 points. if
Assume the population proportion is p = .25. What is the probability that the sample proportion will be within +/- .03 of the population proportion if a sample of size 1,000 is selected (to 4 decimals)?
the average travel time to work for new york city residents is 36.5 minutes time almanac 2001. assume that the
A local grocery store wants to estimate the mean daily number of gallons of milk sold to customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 5.10 gallons.
The planned shortage inventory model recommends order quantity Q* = 70 and shortage level S = 18. Which of the following statement is incorrect?
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