Recently, a student took and scored 1320 on the SAT, and a 27 on the ACT.

The mean score on the SAT nationally that year was 1026, with a standard deviation of 209.

The mean score on the ACT that year was 20.8, with a standard deviation of 4.8.

Which test did the student perform better on? (Hint: use z-scores to determine this)

2? if not the correct answer you might need to provide more information

step-by-step explanation:

1. 3

2. 4

3. 1

hope this ! have a great day.

-wfz

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.