Answer:
54.56
Step-by-step explanation:
Given:
Mean, u = 48
Standard deviation,
= 4
Test score = 5%
Required:
Find the raw score, X.
Having a test score of 5% means the Zscore has to correspond to 95%, ie, 1 - 0.05 = 0.95.
Thus, 
To get X, use the formula:

= 48 + (4 * 1.64)
= 48 + 6.56
= 54.56
The anxiety test score that would put someone in the top 5% is 54.56
Answer:
66 of a pound of birdseed
Step-by-step explanation:
212.5 miles
If the car is moving at 50 miles per hour, that means in 1 hour, it traveled 50 miles. In 2:100, 3:150, & 4:200. 1/4 of 50 is 12.5. So, when travelling for 4 1/4 hours, the vehicle traveled for 212.5 miles.