Average of all prime numbers between 30 to 50

2024

Answer: C. 39.8 — Solution: Find all prime numbers between 30 and 50 and compute their average. List the prime numbers: 31, 37, 41, 43, 47. Sum them: 31 + 37 + 41 + 43 + 47 =…

A.
39.42
B.
36.40
C.
39.8
D.
40.01

Attempted by 2 students.

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Correct answer: C

Solution: Find all prime numbers between 30 and 50 and compute their average.

List the prime numbers: 31, 37, 41, 43, 47.
Sum them: 31 + 37 + 41 + 43 + 47 = 199.
Average = sum ÷ count = 199 ÷ 5 = 39.8.

Answer: 39.8

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