Posts by Rald

Total # Posts: 12

Finance
i have tried so hard to understand this and i am totally confused. I just don't know where to begin. Can someone please, please help me?? Given the following information, answer the following: TR=\$3Q TC= \$1,200 = \$2Q 1. what is the break-even level of output? 2. If the ...

Finance
Given the following information, answer the following: TR=\$3Q TC= \$1,200 = \$2Q 1. what is the break-even level of output? 2. If the firms sells 1,300 units, what are its earnings or losses? 3. If sales rise to 2,000 units, what are the firms earnings or losses? 4. If the total...

math-finance
Given the following information, answer the following: TR=\$3Q TC= \$1,200 = \$2Q 1. what is the break-even level of output? 2. If the firms sells 1,300 units, what are its earnings or losses? 3. If sales rise to 2,000 units, what are the firms earnings or losses? 4. If the total...

statistics
If a teacher wants to test her belief that more than 5 students in college classes typically receive A as a grade, she'll perform? a. two tailed testing of a mean b. two tail testing of a proportion c. one tail testing of a proportion d. one tail testing of a mean I choose...

statistics
A human resources manager wants to determine a confidence interval estimate for the mean test score for the next office-skills test to be given to a group of job applicants. In the past, the test scores have been normally distributed with a mean of 74.2 and a standard ...

statistics
mortgage broker is offering home mortgages at a rate of 9.5%, but the broker is fearful that this value is higher than many others are charging. A sample of 40 mortgages filed in the county courthouse shows an average of 9.25% with a standard deviation of 8.61%. Does this ...

statistics
What is the rejection region for a two tailed test when a=0.05? a. [z] > 2.575 b. z>2.575 c. [z] > 1.96 d. [z]>1.645

statistics
Determine which of the following four population size and sample size combinations would not require the use of the the finite population correction factor in calculating the standard error. a. N = 2500; n = 75 b. N = 150; n = 25 c. N = 15,000; n = 1,000 d. N = 1500; n = 300