1)When you use data froma published source (you do not collect it yourself) you are using

primary data

secondary data

time series data

cross sectional data

census data

2)What is the probability z will be lessthan -1.27?

.398

.102

.898

.602

none of these

3)You sell different beverages at your restaurant. One of the most profitable products you sell is a customized UNCW Seahawk coffee blend. You know the number of cups of this coffee blend sold per day is a normally distributed random variable withx= 200 cups and x= 50 cups. What is the probability you sell less than 300 cups a day?

-2.00

.4772

.9772

.0228

none of these

2

.5228

4)You sell different beverages at your restaurant. One of the most profitable products you sell is a customized UNCWSeahawkcoffee blend. You know the number of cups of this coffee blendsold per day is a normally distributed random variable withx= 500 cups andx= 75cups.Compute the following probabilities:There is a .9429 chance of selling more than?cupsin a day.

381.5

618.5

466.7825

533.2175

none of these

570.7175

429.2825

5)Suppose the number of items you can deliver in a day is a random variable with some unknown distribution with a mean = 35 and a standard deviation of 8.4.75% of allsample means of36 days will be more than ?.

32.7733

37.2267

35.6033

34.3967

36.27

none of these

33.73