Answer:
t = –3.382
Step-by-step explanation:
Claim: FICO credit scores are greater than 675
Thus, x = 675
We are given:
Sample size = n = 50
Sample Mean = u = 719
Sample Standard deviation = s = 92
The formula to find the t-statistic is:

Using the above values, we get:

Thus, the value of test statistic is -3.382. So 3rd option gives the correct answer.
Answer:
<em>Your answer is </em>
<em>.</em>
Step-by-step explanation:
<em>To find the median, you would put the numbers in order from lowest to highest</em>.

<em>Next, you would cross out each side until you get to the middle number. </em>
The middle number is 
<em>The median is always the number in the middle. </em>
Answer: 10.246950766
Step-by-step explanation:
based on Pythagorean’s theorem:

Ratio = # White trucks / Total # vehicles
R = 6 / 39
R = 0.15
Letter C