Standardized tests for certain subjects, given to high school students, are scored on a scale of 1 to 5. Let X represent the score on a rand

Question

Standardized tests for certain subjects, given to high school students, are scored on a scale of 1 to 5. Let X represent the score on a randomly selected exam. The distribution of scores for one subject’s standardized test is given in the table.

A 2-column table with 5 rows. Column 1 is labeled score with entries 1, 2, 3, 4, 5. Column 2 is labeled Probability with entries 0.18, 0.20, 0.26, 0.21, 0.15.

What is the probability of earning a score of 3 or higher?

0.26
0.36
0.62
0.66

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Yến Oanh 5 years 2021-08-15T17:57:03+00:00 1 Answers 111 views 0

Answers ( )

  1. trungdung22
    0
    2021-08-15T17:58:21+00:00
    Reply

    It might be 0.36 or 0.66. Sorry if that doesn’t help

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