Finding what percent one number is of another ?
1 answer:
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Answer:
Step-by-step explanation:
Think about it in terms of 4 quarters to equal the dollar. 0.250= 1 quarter (25). The answer is then
Answer:
test statistic, z = −1.74
Step-by-step explanation:
given data
students n = 100
mean time x = 41.13 seconds
σ = 5
we consider µ = 42
solution
we get here The test statistic that is express as
test statistic, z = ......................1
put here value and we will get
test statistic, z = \frac{41.13-42}{\frac{5 }{\sqrt{100}}}
test statistic, z = −1.74