Ok I took it in steps the answer that is 100% more certain is 1/8. The fraction is 1/8 that they take home.
Answer:
0.89417
Step-by-step explanation:
Using the relation to obtain the Zscore :
Z = (x - mean) ÷ standard deviation / sqrt(n)
x = 0.8535
Mean = 0.8565
Standard deviation = 0.0518
Sample size, n = 465
P(x ≤ 0.8535) = (0.8535 - 0.8565) ÷ 0.0518/sqrt(465)
P(x ≥ 0.8535) = - 0.003 / 0.0024021
P(x ≥ 0.8535) = - 1.249
P(Z ≥ - 1.249) = 0.89417
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If you’re wondering the minutes in between it would be 50 minutes from 11:50am to 12:40pm
Answer: x = -16
Step-by-step explanation:
3x - 11 = -x - 75 then solve. see photo attached for work.