posted by .

why the use of calculators and/or computer programs is good or bad for students taking Business statistics?

They're bad unless the students understand the basic math behind their calculations and the computer programs. They're good if the students do understand the principles and concepts and use them as labor-saving devices.

Daily Gross Receipts. Suppose that the daily gross receipts from a certain sales unit maybe treated as a Normally distributed random variable with mean = \$15,000 and standard deviation = \$3,250. Use Table A for this problem.

(a) Find the proportion of such receipts on a certain day that are more than \$13,750.

(i) Provide the z-score corresponding to the above statement

## Similar Questions

1. ### statistics

We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 40 students from the population. If the true percentage is really …
2. ### statistics

In a class of 50 students, 31 are Democrats, 13 are business majors, and 3 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.
3. ### Statistics

The Computer Anxiety Rating Scale (CARS) measures an individual's level of computer anxiety, on a scale from 20 ( no anxiety) to 100 (highest level of anxiety). Researchers at Miami University administered CARS to 172 business students. …
4. ### statistics

Among a group of students, 24% take both a probability course and a business course, while 14% take neither course. The proportion of students taking the business course exceed by 0.16 the proportion of students taking the probability …
5. ### statistics 3

An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored …
6. ### statistics 3

An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored …
7. ### Statistics 3

An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored …
8. ### statistics 3

An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored …
9. ### Statistics

There are 300 students enrolled in Business Statics . Historically,exam scores are normally distributedwith a standard deviation of 30.9. Your instructor randomly selected a sample of 30 examinations and finds a mean of 74.2. Determine …