Jin’s soccer team has 4 coaches and 22 players, and his twin sister’s team has 2 coaches and 11 players. If the relationship bet
2 answers:
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Answer:
Step-by-step explanation:
<u><em>Step 1:</em></u>
<u><em>Step 2:</em></u>
<u><em>Step 3:</em></u>
<u><em>Step 4:</em></u>
Adding to both sides to complete the square
<u><em>Step 5:</em></u>
<u><em>Step 6:</em></u>
Taking square root on both sides
"Then I will need an average quality score of <u>3.28</u> to meet 85.28 goal."
<u>Step-by-step explanation</u>:
- current average quality score = 82
- improvement on average quality score = 4% of 82
⇒ (4/100)82
⇒ 82/25
⇒ 3.28
The improved average quality score = 82+3.28 = 85.28
The employee needs an average quality score of 3.28 to meet the goal of 85.28
The top 5% of scores belong to the 95th percentile, which means the cutoff score 
is such that
Transforming to the standard normal distribution, you have
A left-tail probability of 95% corresponds to a z-score of about
, which means the cutoff score must be around
Transforming to the standard normal distribution, you have
A left-tail probability of 95% corresponds to a z-score of about