The equivalent expression is 8t+32
Answer:
The 90% confidence interval is 0.575 to 0.625.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence interval , we have the following confidence interval of proportions.
In which
Z is the zscore that has a pvalue of .
For this problem, we have that:
90% confidence interval
So , z is the value of Z that has a pvalue of , so .
The lower limit of this interval is:
The upper limit of this interval is:
The 90% confidence interval is 0.575 to 0.625.
Answer:
2
Step-by-step explanation:
because she hast to pick her favorite and second favorite
Answer:
1. k = 240
2.
3. 30 hours
Step-by-step explanation:
1. if y varies inversely:
2.
3. If x = 8: