AMI Day 1

1.The blood types of 150 people were determined for a study as shown in the figure. If 1 person from this study is randomly selected, what is the probability that this person has either Type A or Type AB blood?

• $\frac{62}{150}$

• $\frac{66}{150}$

• $\frac{68}{150}$

• $\frac{73}{150}$

• $\frac{84}{150}$

2. The monthly fees for single rooms at 5 colleges are $370, $310, $380, $340, and $310, respectively. What is the mean of these monthly fees?

• $310

• $340

• $342

• $350

• $380

3. On a particular road map, 

 $\frac{1}{2}$  inch represents 18 miles. About how many miles apart are 2 towns that are  $2\frac{1}{2}$  inches apart on this map?

• 18

•  $22\frac{1}{2}$  

• 36

• 45

• 90

4. Given  $f=cd^3$  ,f = 450, and d = 10 what is c?

• 0.45

• 4.5

• 15

• 45

• 150

 5. If  $f\left(x\right)=\left(3x+7\right)^2$  , and then  $f\left(1\right)=$  ?

• 10

• 16

• 58

• 79

• 100

6. Jorge’s current hourly wage for working at Denti Smiles is $12.00. Jorge was told that at the beginning of the next month, his new hourly wage will be an increase of 6% of his current hourly wage. What will be Jorge’s new hourly wage?

• $12.06

• $12.60

• $12.72

• $18.00

• $19.20