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QNT/275 Final(Questions And Answers)The regression model y = A + Bx + e is: • a nonlinear model • a deterministic model • a probabilistic model • an exact relationship The mean of a discrete random variable is the mean of its: • frequency distribution • percentage distribution • probability distribution • second and third quartiles The p-value is the: • smallest significance level at which the null hypothesis cannot be rejected • largest significance level at ...

QRB 501 FINAL EXAM 4 – QUESTION AND ANSWERS.Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent. Markup = $16.15; Selling price = $95.00. Find the cost. Cost: $78.85 2 Find the interest paid on a loan of $2000 for 1 year at a simple interest rate of 7% per year. $2,140.00 3 A number increased from 2553 to 5955 . Find the amount of increase. 3402 4 The following test scores were recorded for a student: 79, 74, 72, 68, 74...

QRB 501 / Week 6 FINAL EXAM (Questions And Answers)An invoice received from Royal Exporters totaled $638.20, was dated October 10, and offered terms of 1/11 ROG. The shipment was received November 27. If the invoice was paid on December 12, find the net amount due. Round to the nearest cent. a. $631.82 2. Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent. Cost = $4.04; Selling price = $7.12. Find the markup and the rate of markup based on cost....

QRB 501 FINAL EXAM(Questions And Answers)1. one disadvantage of the corporate form of business ownership is the: double taxation of profits 2. which one of the following statements is false? An aging schedule includes only overdue accounts 3. A firm has a debt-equity ratio of .64, a pretax cost of debt of 8.5 percent, and a required return on assets of 12.6 percent. What is the cost of equity if you ignore taxes? 15.22% 4. Which one of these statements is correct concerning the cash ...

QRB 501 Final Exam Questions and Answers.Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent. Markup = $16.15; Selling price = $95.00. Find the cost. Cost: $78.85 2 Find the interest paid on a loan of $2000 for 1 year at a simple interest rate of 7% per year. $2,140.00 3 A number increased from 2553 to 5955 . Find the amount of increase. 3402 4 The following test scores were recorded for a student: 79, 74, 72, 68, 74, 60,...

QNT 561 FINAL EXAM – QUESTION AND ANSWERS.A market researcher is interested in determining the average income for families in San Mateo County, California. To accomplish this, she takes a random sample of 300 families from the county and uses the data gathered from them to estimate the average income for families of the entire county. This process is an example of _______. • inferential statistics 2 If x is a binomial random variable with n=10 and p=0.8, what is the probability ...

QNT 561 FINAL EXAM 1 – QUESTION AND ANSWERS.1. According to the central limit theorem, for samples of size 64 drawn from a population with µ = 800 and σ = 56, the mean of the sampling distribution of sample means would equal _______. a. 800 2. The empirical rule says that approximately what percentage of the values would be within 2 standard deviations of the mean in a bell shaped set of data? a. 95% 3. Ophelia O'Brien, VP of Consumer Credit of American First Banks (AFB), monitors the d...

QNT/561 Final Exam(Questions And Answers)1) Which of the following measures of central location is affected most by extreme values? A. Mean B. Median C. Mode D. Geometric mean 2) Which level of measurement is required for the median? A. Nominal B. Ordinal C. Interval D. Ratio 3) Which level of measurement is required for the mode? A. Nominal B. Ordinal C. Interval D. Ratio 4) In a set of observations, which measure of central tendency reports the value that occurs most often...

QNT 561 FINAL EXAM – QUESTION AND ANSWERS. If x is a binomial random variable with n=10 and p=0.8, what is the probability that x is equal to 4? • .0055 • .0063 • .232 • .994 • .124 The weight of a USB flash drive is 30 grams and is normally distributed. Periodically, quality control inspectors at Dallas Flash Drives randomly select a sample of 17 USB flash drives. If the mean weight of the USB flash drives is too heavy or too light the machinery...

QNT 351 FINAL EXAM QUESTION AND ANSWERS.1. What level of measurement is the number of auto accidents reported in a given month? A. Interval B. Ratio C. Nominal D. Ordinal 2. If two events A and B are mutually exclusive, what does the special rule of addition state? A. P(A or B)=P(A)-P(B) B. P(A and/or B)=P(A)+P(B) C. P(A or B)=P(A)+P(B) D. P(A and B)=P(A)+P(B) 3. For any data set, which measures of central location have only one value? A. Mode and standard deviation B. Mode and m...