Determine expected number of complaints for restaurant
The following distribution was gathered over the 1000 days for number of complaints for the local restaurant. Determine expected number of complaints for the restaurant.
Number of complaints 0 1 2 3 4 5
P(X) .08 .1 .15 .2 .25 .22
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In all, 1116 people respond. Determine the rate (percent) of nonresponse? What source of response error is likely for the question asked?
Now, Ima would like to know what annual amount he has to invest in aforementioned ERS's choice for next ten years, so that he can begin withdrawing $6000 a year at the end of each of the retirement years
You make decision to take out the simple interest loan for $5000, at 7% yearly interest on date that unit 4 starts for you.
Population standard deviation is 3.1 movies. Based on the .05 level of significance, can you conclude that sample is different from national average?
The simple random sample of 40 items resulted in the sample mean of 25. Population standard deviation is 5. Determine standard error of mean (to 2 decimals)?
Determine the amount of the annuity if size of each payment is $250, payable at the end of quarter for 5 years at the interest rate of 16% compounded quarterly?
Random sample of 20 values was selected from the population, and sample deviation was calculated to be 360. Based on the sample result estimate the 98% confidence interval evaluate for true population standard deviation.
The bank charges 10% simple interest on the $300 loan. How much will have to be repaid if loan is paid back in the lump sum at end of three years?
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