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To conclude the confidence level used to calculate the confidence interval.
Suppose that the population of the scores of all high school seniors who took the SAT math (SATM) test this year follows a normal distribution with standard deviation σ= 100. You read a report that says, "On the basis of the simple random sample of 100 high school seniors that took the SATM test this year, a confidence interval for µ is found to be 512.00 ± 25.76." What was the confidence level used to calculate this confidence interval?
A) 90%
B) 95%
C) 99%
D) 99.9%
Suppose that during a basketball practice. Joe tries 3 shots from the free throw line; imagine further that he has a probability equal to 0.6 of making each shot and that the attempts are independent. Let 'X' be the number of baskets he makes in t..
Use either Linear Programming module or Transportation module of Cd to minimize the shipping costs involved in move.
Create a 98 percent confidence interval for the population mean.
Find out the slope, b, and the intercept, a, for the least-squares line. Write the equation of the least squares line.
Ten students were sampled at random from a student population. Each was asked how many courses he or she was planning on studying in the upcoming year. The following is a list of the reported data values: 1, 2, 2, 3, 4, 5, 5, 5, 5, 6 What is the vari..
A fair coin was flipped three times and landed heads three times. What is the probability of a head on the next toss?
An experiment was performed to investigate lifetime of a component exposed to high heat. Three different oven types were used at either 550°F or 600°F.
Given same values n=20, p=0.6, and x=17, calculate probability of x successes in n independent trails of experiment.
Below are the sample times in minutes. At the .05 significance level, can we conclude that there is a difference in their mean times?
What is the probability that a randomly chosen employee is an Administrator if the employee has the opportunity of gaining promotion next year?
What type of error has possibly been committed? Explain the error in ordinary language.
Find the probability of failure of system for any 4 hours of operation?
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