assessment 101 A

A group of 8 must select a president, a vice president, a secretary and a treasurer. How many ways can this be done?

1680

520

740

5040

Name:

The probability of a student owning a ipad is 0.43, of owning a phone is 0.38, and of owning both is 0.28. If a student is selected at random, find the probability that a student owns a ipad or a phone.

53.00%

42.85%

87.56%

64.20%

In how many ways can 8 people be arranged in a row?

40320

34200

43200

34002

two coins are tossed. how many sample space are there?

Eighty percent of commercially grown celery samples and 45% of commercially grown lettuce samples contain traces of agricultural poisons like insecticides, herbicides, and fungicides (U.S. Department of Agriculture, 1992). If X eats one serving (one sample) of celery and one serving of lettuce. What is the probability that at least one of the servings contains traces of agricultural poisons?

89%

98%

Mode and range are measures of dispersion.

false

true

what is the probability of getting a king or heart in a regular deck of card?

4/13

2/13

7/13

5/13

In a statistics class, there are 18 Juniors and 10 Seniors; 6 of the seniors are female and 12 of the juniors are male. If a student is selected at random, what is the probability of selecting a junior or a female?

85.71%

78.17%

54.32%

35.46%

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