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28 February, 20:57

The last time Andy went bowling he had a mean score of 158

per game.

After three games Andy has a total score of 473. He thinks he

needs to score over 160 in game four to get a mean score

greater than 158.

(a) Is Andy correct?

Show why you think this.

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Your answer:

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Answers (1)
  1. 28 February, 21:24
    0
    no

    Step-by-step explanation:

    suppose he will get exactly the score of 160 in the game four, the mean score this time will be (473+160) / 4=158.25

    which has already reached the mean score 158 and even higher than it

    therefore, his statement is wrong
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