Answer:
b) One sample z-test for means
Step-by-step explanation:
Normal Distribution
we have μ₀ (population mean from previous studies)
sample size n = 100
standar deviation of population σ = 0.75
And it was determined from sample, that μ = 5 : so we want to know if, at some significance level that value (which is smaller than population mean ) could help in relation to decide about rejecting hypothesis H₀
We should use a z one tail-test for means (left tail)
Answer:
In the picture below
Step-by-step explanation:
Answer:
11.4
Step-by-step explanation:
l²+w²=d²
81+49=130
√ 130
11.40175425099138
11.4
Answer:
x^-1
x^1
Step-by-step explanation:
Oooops ...can you please repeat ur Question
