Business, 03.08.2021 04:00 minosmora01
A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance, s squareds2, is determined to be 11.611.6. Complete parts (a) through (c). (a) Construct a 90% confidence interval for sigma squaredσ2 if the sample size, n, is 20. The lower bound is 7.317.31. (Round to two decimal places as needed.) The upper bound is 21.7921.79. (Round to two decimal places as needed.) (b) Construct a 90% confidence interval for sigma squaredσ2 if the sample size, n, is 30. The lower bound is 7.907.90. (Round to two decimal places as needed.) The upper bound is 1919. (Round to two decimal places as needed.) How does increasing the sample size affect the width of the interval? The width does not change The width increases The width decreases
Answers: 2
Business, 22.06.2019 10:10
True tomato inc. makes organic ketchup. to promote its products, this firm decided to make bottles in the shape of tomatoes. to accomplish this, true tomato worked with its bottle manufacture to create a set of unique molds for its bottles. which of the following specialized assets does this example demonstrate? (a) site specificity (b) research specificity (c) physical-asset specificity (d) human-asset specificity
Answers: 3
Business, 22.06.2019 22:00
On january 8, the end of the first weekly pay period of the year, regis company's payroll register showed that its employees earned $22,760 of office salaries and $70,840 of sales salaries. withholdings from the employees' salaries include fica social security taxes at the rate of 6.20%, fica medicare taxes at the rate of 1.45%, $13,260 of federal income taxes, $1,450 of medical insurance deductions, and $860 of union dues. no employee earned more than $7,000 in this first pay period. required: 1.1 calculate below the amounts for each of these four taxes of regis company. regis’s merit rating reduces its state unemployment tax rate to 3% of the first $7,000 paid to each employee. the federal unemployment tax rate is 0.60
Answers: 3
Business, 22.06.2019 22:50
Clooney corp. establishes a petty cash fund for $225 and issues a credit card to its office manager. by the end of the month, employees made one expenditure from the petty cash fund (entertainment, $20) and three expenditures with the credit card (postage, $59; delivery, $84; supplies expense, $49).record all employee expenditures, and record the entry to replenish the petty cash fund. the credit card balance will be paid later. (if no entry is required for a transaction/event, select "no journal entry required" in the first account record expenditures from credit card and the petty cash fund.
Answers: 2
A simple random sample of size n is drawn from a population that is known to be normally distributed...
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