Answer:
I have no clue. I think it is -0.40 if I remember correctly.
The answer is 1.067. Hope it's not too late.
<span>First set: 7, 24, 25.
Square 7, 24 and 25.
Add together the squares of 7 and 24.
Compare this sum to the square of 25. </span>
Answer:
it should be b
Step-by-step explanation:
if wrog please correct me also can u give me brainlist
Answer: No, this is not necessarily evidence that the proportion of Americans who are afraid to fly has increased.
Step-by-step explanation:
Since we have given that
n = 1400
x = 154
So, 
and p = 0.10
So, hypothesis would be

So, the test statistic value would be

At 5% level of significance,
critical value would be 1.96.
Since 1.96>1.25.
so, we will accept the null hypothesis.
Hence, no, this is not necessarily evidence that the proportion of Americans who are afraid to fly has increased.