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Answered

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A gymnast is planning which vault to perform at an upcoming competition. Her most
difficult vault, vault #1, can earn her a 9.1. However, 75% of the time she does not
successfully complete it and is disqualified with zero points. Her other option, vault
#2, is a vault that can earn her 5.4 points, and she completes it 95% of the time.
Which vault should she choose? Explain.

A Gymnast Is Planning Which Vault To Perform At An Upcoming Competition Her Most Difficult Vault Vault 1 Can Earn Her A 91 However 75 Of The Time She Does Not S class=

Sagot :

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Answer:

vault #2, 5.13 > 2.28

Explanation:

25% x 9.1 = 2.275

95% x 5.4 = 5.13

Ergo, 5.13 > 2.28

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If he completes it 95% of the time. The vault she should choose is: b. vault #2, 5.13 > 2.28.

Vault to choose

Given:

Vault #1

Earning=9.1

Completion unsuccessful=75%

Vault #2

Earning=5.4

Completion successful=95%

Hence:

Vault #1=(1-75%% )x 9.1

Vault #1= 2.275

Vault #1=2.28 (Approximately)

Vault #2=95% x 5.4

Vault #2 = 5.13

Hence:

5.13 > 2.28

Therefore based on the above the vault she should choose is: b. vault #2, 5.13 > 2.28 because the vault #2 is the best choice.

Learn more about Vault to choose here: https://brainly.com/question/9035375

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