Posted by **Sam** on Thursday, January 13, 2011 at 4:15pm.

suppose the number of customer complaints per day on the morning shift (6am-12) at Murph's Coffee is distributed as follows:

Complaints f(x)

0 .3

1 ???

2 .2

a) what is the value of ???

b)what is the average number of complaints per day on the morning shift?

c)what is the standard deviation of the number of complaints per day on the morning shift?

d)if Y is the number of inexperienced staff people at Murph's on the morning shift, would the values of X and Y be correlated? explain

## Answer this Question

## Related Questions

- statistics - Suppose the number of customer complaints per day on the morning ...
- math-please help! - The number of complaints received by a business bureau can ...
- biostatistics - among coffee drinkers, men drink a mean of 3.2 cups per day with...
- Stats - 1. In a study of caffeine and stress, college students indicate how many...
- History - According to L. M. Bowers, what are some of the complaints made by the...
- statistics - A researcher is interested in whether herbal remedies are effective...
- statistics - The Better Businesss Bureau reports that they resolve 70% of the ...
- algebra - the customer service department resolved 106 of 120 customer ...
- Grammar and punctuation - Select the sentence which is correctly punctuated, ...
- statistics - Among coffee drinkers, men drink a mean of 2.8 cups per day with a ...

More Related Questions