A combination lock has 50 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?
A combination lock has 50 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?
The following Table show the number of hours worked by 200 statistics students:
|
Number of Hours |
Frequency |
|
0 - 9 |
40 |
|
10 - 19 |
50 |
|
20 - 29 |
70 |
|
30 - 39 |
40 |
Refer to the Table above. The cumulative frequency for all classes is__
The following Table show the number of hours worked by 200 statistics students:
|
Number of Hours |
Frequency |
|
0 - 9 |
40 |
|
10 - 19 |
50 |
|
20 - 29 |
70 |
|
30 - 39 |
40 |
Refer to the Table above. The number of students working 19 hours or less______.
An airline company recently supplied the following information on their commuter flights between two major cities.
|
Arrival |
Frequency |
|
Early |
100 |
|
On time |
800 |
|
Late |
75 |
|
Cancelled |
25 |
|
Total |
1000 |
Calculate the probability that a flight will be early.
What is the probability of x occurrences of a given outcome being observed in a predetermined time, space or volume interval?” Which of the following types of probability distributions addresses this question?
What is the probability of at least two days with someone off sick in a twenty day period?
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