Answer:
please complete your question. where is figure.
The critical values for a 90% confidence interval are approximately
, so the confidence interval in this case is roughly
Answer:
a and c
Step-by-step explanation:
7(4)-1 =27
9(4)+22 does not equal 26
46-8(4)=14
5(4)+40 does not equal 62
Answer:
He payed off 6,800$
Step-by-step explanation:
Answer:
A person standing on the bank of the river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60
∘
.When he was 40m away from the bank he finds that the angle of elevation to be 30
∘
.Find
(i) the height of the tree.
(ii)the width of the river,correct to 2d.p
