Excel's NORM.S.INV function can be used to compute _____
a. cumulative probabilities for a standard normal z value
b. the standard normal z value given a cumulative probability
c. cumulative probabilities for a normally distributed x value
d. the normally distributed x value given a cumulative probability
b
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The cost of a product warranty should be included as an expense in the
a. period the cash is collected for a product sold on account b. future period when the cost of repairing the product is paid c. period of the sale of the product d. future period when the product is repaired or replaced
If a customer is concerned about the labeling on a bag of potato chips, the regulatory agency that should be contacted is the:
A) Federal Communications Commission B) Food and Drug Administration C) Federal Trade Commission D) United States Postal Service
Hunter Inc Hunter Inc sells a unique product with the following information available: Sales price $100 per unit Variable costs $40 per unit Fixed costs $19,500 Units produced and sold 1,300 units Refer to Hunter Inc information above. If one more unit is sold, net operating income will:
A) decrease by $55. B) increase by $45. C) increase by $60. D) decrease by $15.
Answer the following statement(s) true (T) or false (F)
1. For a two-tailed z-test when n = 10 and ? = .05, the correct critical value is 1.645. 2. For a one-tailed t-test when n = 6 and ? = .05, the correct critical value is 2.015. 3. When conducting a two-tailed test at ? = .05, you’d expect 2.5% of the sampling distribution to be in each tail. 4. To compare a sample of n = 16 to a population where ? = 10 and ?2 = 16, you will conduct a one-sample t-test. 5. You draw a sample of n = 30 from a population where ? = 10 and ? = 2. If x ? = 8, z = -