BMST - Basic Math and Science Data Interpretation and Probability Questions and Answers 5

Question 1

A table shows the probability of rain for 5 days: Mon=0.2, Tue=0.6, Wed=0.5, Thu=0.1, Fri=0.8. On which day is rain LEAST likely?

Accepted Answer

Thursday

Answer

Thursday has the lowest probability of rain at 0.1, meaning only a 10% chance.

Question 2

A line graph shows a company's monthly profits declining steadily from January to June. Which term best describes this trend?

Accepted Answer

Negative linear trend

Answer

A steady decline over time is a negative linear trend, meaning the value decreases consistently.

Question 3

From a group of 5 students, 2 are chosen at random for a committee. How many different combinations are possible?

Accepted Answer

10

Answer

The number of combinations is C(5,2) = 5!/(2!×3!) = 10.

Question 4

A stem-and-leaf plot shows data with stems 2, 3, 4 and leaves 2|3 5 7, 3|1 4 8, 4|0 2. What is the largest value in the data set?

Accepted Answer

42

Answer

The largest stem is 4 and its largest leaf is 2, giving the value 42.

Question 5

Two events A and B are independent. P(A) = 0.4 and P(B) = 0.5. What is P(A and B)?

Accepted Answer

0.2

Answer

For independent events, P(A and B) = P(A) × P(B) = 0.4 × 0.5 = 0.2.

BMST - Basic Math and Science Test Practice Test