Answer:
A school paid $31.25 for each calculator.
If the school spent $500 on calculators, the number of purchased calculators:
N = 500/31.25 = 16
Hope this helps!
:)
Answer:
From the given data we need to use the following statistics rules
H0 x25
H1 x>25
t=4.355
Reject H0. The data does not suggest a significant mean difference in breaking load for the two fabric load conditions,option C is correct.
Study hard and take the test slowly. rushing will make you get all the wuestions wrong. if you need more advice, message me.
Answer:
Percentage decrease = 10% × 0.82
New value = 0.82 - Percentage decrease
Let me know if this helps! :)