Question

following are the scores of a student in an 6 tests 71,63,89,76,68,92.find the probability that the student scored more than 70%

Answer 1

Answer:

Step-by-step explanation:

Ninety percent of the test scores are the same or lower than k, and 10 percent are the same or higher. The variable k is often called a critical value. The 90th percentile is 69.4. This means that 90 percent of the test scores fall at or below 69.4 and 10 percent fall at or above.

Answer 2

Answer:

it might be 7/10

Step-by-step explanation:

because probability formula =percantage/total observation