Total amount in payments = 48 + 47.80 + 47.60 + 47.40 + 47.20 + 47.01 = 285.01
Option D is the right answer.
Answer:
So we use the t-distribution to compute a confidence interval for the average age of people using online dating services
Step-by-step explanation:
Confidence interval for a mean.
We have to decide between the t-distribution and the z-distribution.
T-distribution: We use the sample standard deviation.
Z-distribution: We use the population standard deviation.
In this problem:
The average age of those that were using online dating services was 35 years old with a sample standard deviation of 12 years.
So we use the t-distribution to compute a confidence interval for the average age of people using online dating services
1834 bfc I believe that’s the right answer
The coefficient 6 represents the price for an hour of bike rental.
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