H = -0.25 I think don't really know, okay?
Answer:
12/33
Step-by-step explanation:
No.of girls = 21
No.of boys=12
Total no. of students=21+12=33
Probability that a boy's name is drawn at random=12/33
Answer: 20 students
Step-by-step explanation:
i beieve this is the answer dont be mad if its not
Answer:
112degrees
Step-by-step explanation:
Alternate angles form a 'Z' shape and are sometimes called 'Z angles'. a and b are adjacent angles. Adjacent angles add up to 180 degrees. ... These add up to 180 degrees (e and c are also interior).
Answer:
The significance level for this case would be
and the critical value for this case would be:

The margin of error is given by:

And replacing we got:

And the margin of error for this case would be 
Step-by-step explanation:
For this case we have the following dataset given:
represent the sample size
represent the estimated proportion of interest
represent the confidence level
The significance level for this case would be
and the critical value for this case would be:

The margin of error is given by:

And replacing we got:

And the margin of error for this case would be 