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A Quality check process of a certain brand of sports car includes ultrasonic paint thickness check. In order to pass the check, paint thickness should be in between 4 and 5 mils. Assume that cars are independent regarding to their paint quality. Each car has a 90% chance of passing the test. What is the probability that 3 of the next 6 cars will fail the test?
Determine whether the following equations have a solution or not? Apply the discriminant, are the solutions real, repeated real, or complex?
What is the critical F value for a sample of four observations in the numerator and seven in the denominator?
Find 99% confidence interval for estimating their mean height and find 95% confidence interval for estimating the mean height.
Mean and standard deviation are 584.6 and 34.28
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 40 people.
A survey of undergraduate students in the School of Business at Northern University revealed the following regarding the gender and majors of the students:
Assume that the price of non-dividend paying stock is $32, its volatility is 30%, and the risk-free rate for all maturities is 5% per annum. Use derivagem to calculate the costs of setting up the following positions.
The selection is made at random so that the selection of any component is equally likely. What is the probability of drawing any faulty component if 3 different components are drawn?
Enter relative proportions of the 3 samples in order (20,50,30) in "Expected values" area.
Use a visual display to a categorical variable with four classifications. Which one would you use - the bar chart, the pie chart, or the pareto diagram? Explain"
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
a) What type of research uses numeric measurement data? b) What type of research uses a research hypothesis? c) What type of research does not use statistical data analysis?
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