A company claims that its tablet computers have an average recharge time of 3 hours. In a random sample of these computers, the
average recharge time is 2.5 hours. You suspect that the average recharge time might be less than what the company claims. Let µ represent the average time, in hours, needed to recharge the company's tablet computers.
What is the alternative hypothesis for this situation?
DONE | Second option
What is the alternative hypothesis for this situation?
DONE | Second option
1 answer:
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Answer:
The answer is:
Step-by-step explanation:
Given:
In △ABC:
m∠A=15°
a=10 and
b=11
To find:
c = ?
Solution:
We can use cosine rule here to find the value of third side c.
Formula for cosine rule:
Where
a is the side opposite to
b is the side opposite to
c is the side opposite to
Putting all the values.
The answer is: