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1. Write the following phrase using symbols. 4 times the sum of m and q
2. An arithmetic student needs an average of 70 or more to receive credit for the course. She scored 82, 80, and 87 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for the course.
3. Simplify using positive exponents(-3x) -2
4. The sum of an integer and its square is12. Find the number.
5. Elaine was charged $195 interest for 1 month on a $1000 credit card balance. What was the monthly interest rate
Provide two examples for each source of measurement error and include how each example might likely influence research results.
An aptitude test is designed to measure leadership abilities of the test subjects. Suppose that the scores on the test are normally distributed with a mean of 580 and a standard deviation of 120.
Determines the sample mean outer diameter to be 1.002 inches with a standard deviation of 0.003 inch. Calculate the process capability index for this example.
We are interested in determining whether or not the opinions of the individuals (as to Yes, No, and No Opinion) are uniformly distributed.
If sample mean is M=44. Is this sufficient to demonstrate significant effect? Again assume a Two-tailed test with a=0.05.
What is the alternative hypothesis consistent with the claim the test subject is an expert? Which of the following is consistent with the rule for the null hypothesis and with the alternative:
A study was conducted with 35 people that resulted in a mean of 22.1 minutes with a standard deviation of 1.9 minutes. Using a .05 significance level, test the claim that the mean amount of time relief will be felt is less than 25 minutes.
What is the value of the sample test statistic? (Round your answer to two decimal places.) Find the P-value of the test statistic. (Round your answer to four decimal places.)
Determine critical value if alpha = 0.05? If p-value for this test is 0.025, this p-value means?
A manager receives a forecast for next year. Demand is projected to be 600 units for the first half of the year and 900 units for the second half.
Use differential to approximate square root of 16.3
What is the computed z-value for testing the null hypothesis that the proportion of successes in Population 1 exceeds the proportion of successes in Population
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