Match the story problem with the correct answer.

Question 2 options:

20

16

10.5

200

1.
A steel company sells 48 tons of steel each year.
At this rate, how many tons of steel does the company sell in 4 months?

2.
Ana bikes for 5.5 hours. She covers a distance of 57.75 mi.
Assuming she bikes at a constant speed, how fast was Ana biking?

3.
A large smartphone company produces 15,000 smartphones per hour.
How long would it take this company to produce 300,000 smartphones?

4.
How many inches are in 508 centimeters?
1 in. = 2.54 cm

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias