<span>24 3/4 miles is the distance
1/2 hour - is time
V=S/t
24</span>
/ 0.5 = 
=49.5 miles per hour
1/2 hour - is time
V=S/t
24</span>
What is 1/5 out of 40
2 answers:
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Answer:
There is a significant difference between the two proportions.
Step-by-step explanation:
The (1 - <em>α</em>)% confidence interval for difference between population proportions is:
Compute the sample proportions as follows:
The critical value of <em>z</em> for 90% confidence interval is:
Compute a 90% confidence interval for the difference between the proportions of women in these two fields of engineering as follows:
There will be no difference between the two proportions if the 90% confidence interval consists of 0.
But the 90% confidence interval does not consists of 0.
Thus, there is a significant difference between the two proportions.