Practice Quiz Mode
Take all 4 MCQs in interactive quiz mode with timer and progress tracking
A wind turbine completes 900 revolutions in 50 minutes. At this rate, how many revolutions per minute does this turbine complete?
Difficulty: Easy
A:
18
B:
850
C:
950
D:
1,400
A survey taken by 1,000 students at a school asked whether they played school sports. The table below summarizes all 1,000 responses from the students surveyed.
| Males | Females | |
|---|---|---|
| Play a school sport | 312 | 220 |
| Do not play a school sport | ? | 216 |
How many of the males surveyed responded that they do not play a school sport?
Difficulty: Easy
A:
109
B:
252
C:
468
D:
688
A study was done on the weights of different types of fish in a pond. A random sample of fish were caught and marked in order to ensure that none were weighed more than once. The sample contained 150 largemouth bass, of which 30% weighed more than 2 pounds. Which of the following conclusions is best supported by the sample data?
Difficulty: Medium
A:
The majority of all fish in the pond weigh less than 2 pounds.
B:
The average weight of all fish in the pond is approximately 2 pounds.
C:
Approximately 30% of all fish in the pond weigh more than 2 pounds.
D:
Approximately 30% of all largemouth bass in the pond weigh more than 2 pounds.
The table below shows the number of state parks in a certain state that contain camping facilities and bicycle paths.
| Has bicycle paths | Does not have bicycle paths | |
|---|---|---|
| Has camping facilities | 20 | 5 |
| Does not have camping facilities | 8 | 4 |
If one of these state parks is selected at random, what is the probability that it has camping facilities but does not have bicycle paths?
Difficulty: Medium
A:
$\frac{5}{37}$
B:
$\frac{5}{25}$
C:
$\frac{8}{28}$
D:
$\frac{5}{9}$
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