Find probability that mean annual salary lies in range
The population mean annual salary for RN's is $63,400. A random sample of 32 RN's is selected from this population. Assume that Standard Deviation is 1700
a. What is the probability that the mean annual salary is between $58,000 and $64,000?
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Manufacturing overhead was estimated to be $484,800 for the year along with 20,200 direct labor hours. Actual manufacturing overhead was $465,610, actual labor hours were 21,200.
A report states that 57% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 3% with 95% confidence?
i) If a new bond is to be issued by a city, what is the probability that it will receives an A rating? ii) What proportion of municipal bonds is issued by suburbs?
Assuming equal variances, establish, at the 5% level of significance, whether there is a statistically significant difference in the mean weekly sales for the two display locations.
A random sample of 32 RN's is selected from this population. Assume that Standard Deviation is 1700. What is the probability that the mean annual salary is between $58,000 and $64,000?
In the month of March, Picard Spa services 500 clients at an average price of $120. During the month, fixed costs were $21,600 and variable costs were 60% of sales.
Using the ratio-to-moving-average method, determine the quarterly seasonal indices.
Successful completion of A will return $3000 (over cost), while successful completion of B will return $5000 (over cost). Prepare a report, with the aid of a decision tree, advising the investor of the best course of action.
A company is authorized to issue 50,000 shares of $50 par, 10%, noncumulative, nonparticipating preferred stock and 500,000 shares of no-par common stock.
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