The best batch size is 1053.
Since 5% have failed, this means 95% have passed the test.
95% = 95/100 = 0.95
We can set up an equation to answer this:
0.95x = 1000
Divide both sides by 0.95:
0.95x/0.95 = 1000/0.95
x = 1052.6 ≈ 1053
Answer:
The quiz grades for class 1 have more variability than the quiz grades for class 2.
Step-by-step explanation:
The correct answer: total interest = $1,784.56 and she would have $4,284.56 after 7 years
