BrainsNseeds BrainsNseeds

29-06-2021
Mathematics

contestada

The mean score in an exam given to 40 students is 70. What is the sum of the 40 exam scores? A. 1500 B. 2000 C. 2800 D. 3000

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jimrgrant1 jimrgrant1

29-06-2021

Answer:

C

Step-by-step explanation:

Mean is calculated as

mean = [tex]\frac{sum}{count}[/tex] , then

[tex]\frac{sum}{40}[/tex] = 70 ( multiply both sides by 40 )

sum = 40 × 70 = 2800 → C

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chrismak72905 chrismak72905

29-06-2021

The answer do be c doe

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