How large would sample size have to be-cut margin of error
A survey was conducted of the age in years of 50 randomly selected customers. The mean was 27.47 years with a standard deviation of 10.69 years.
About how large would the sample size have to be to cut the margin of error by a factor of 4?
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Amy's Weathervane Company manufactures weathervanes. The 2011 operating budget is based on the production of 5,000 weathervanes with 1.25 machine-hour allowed per weathervane. Variable manufacturing overhead is anticipated to be $150,000.
A confidence interval for the price of gasoline from a random sample. If we had the same stats from a sample of 80 stations, what would the 95% confidence interval rating be?
Everjoice Company makes clocks. The fixed overhead costs for 20X5 total $720,000. The company uses direct labor-hours for fixed overhead allocation and anticipates 240,000.
It is important to have performance measures to evalvate managers as they control and invest in assets for the company. Please describe how you could use different variances.
The mean was 27.47 years with a standard deviation of 10.69 years. About how large would the sample size have to be to cut the margin of error by a factor of 4?
If the company meets its target net income number, by what percentage could its sales fall before it is operating at a loss? That is, what is its margin of safety ratio? (Round your answer to 1 decimal place, e.g. 25.4.)
You have credit sales for the year of 1,000,000. return and allowances are 100.000.You write-off an amount for 50,000 during the year. subsequent to this.
A meteorologist who sampled 13 thunderstorms found that the average speed at which they traveled across a certain state was 15 miles per hour. The standard deviation of the sample was 1.7 miles per hour. Find the 99% confidence interval of the me
A company has inventory of 15 units at a cost of $11 each on August 1. On August 5, they purchased 11 units at $14 each. On August 15, they sold 20 units. Using the FIFO perpetual inventory method, what is the cost of the 20 units that were sold?
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