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HALP PLZZZZZ ASAP!!!!

Ira makes an A on 80% of his tests. In the next week, Ira has 5 final exams. He wants to determine the probability that he makes an A on 4 of the 5 tests. Which simulation design has an appropriate device and a correct trial?

A) Roll a die letting 1 represent Ira making an A and 2-6 represent Ira not making an A. Roll the die four times.

B) Roll a die letting 1 represent Ira making an A and 2-6 represent Ira not making an A. Roll the die five times.

C) Using a table of random digits select a digit between 0 and 9. Let 0-7 represent Ira making an A and 8-9 represent Ira not making an A. Select four digits.

D) Using a table of random digits select a digit between 0 and 9. Let 0-7 represent Ira making an A and 8-9 represent Ira not making an A. Select five digits.

Thx

User RAH
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2 Answers

5 votes

c i think cause he has 5 test in we need to know if he will past all of the test

User Rolle
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6 votes

Answer:

d

Explanation:

User Enver
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