Answer:
0.75<p<0.85
Yes,the proportion of girls is significantly different from 0.5.
Step-by-step explanation:
We calculate the proportion of girls:
#We then calculate the confidence interval as follows:
Hence, the proportion's confidence interval at 99% is 0.75<p<0.85
#We then state our hypothesis to validate the claim:
Since the confidence interval does not contain 0.5, which is the the 50% chance of having a girl, then it can be concluded the proportion of girls is significantly different from 0.5.
8+4+2=14
There's 4 black socks.
So 4/14
4 divided by 2 = 2
14 divided by 2 = 7
The answer is 2/7
A. 2/7
The answer is -9 >(the same symbol I just don’t have it in my keyboard, sorry)k
-9>k
4.5 x 6.2 = 27.9
Hope that helps
Answer:
100 students on each bus
Step-by-step explanation:
100*4 is 400 so there might be just 4