What is 4 and 1/2 times 2 ????
2 answers:
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Answer:
The right solution is "-8.25".
Step-by-step explanation:
The given values are:
Sampled people,
n = 150
Null and alternative hypotheses will be:
The z-statistics will be:
⇒
On substituting the values, we get
⇒
⇒
⇒
⇒
We will represent the length of the rectangle as and the width as
.
From this problem, we can say . We can also deduct an equation from the second sentence:
(from substitution)
Using this value for , we can find
:
The length of the rectangle is 23 cm and the width of the rectangle is 18 cm.