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Alexxandr [17]
2 years ago
9

6 The bar chart shows the A-level mathematics grades achieved by some students one year. A-level grades 120 100- 80 Frequency 60

40 20 om 0 A* A B D E U С Grade a How many students achieved grade B or C? b How many students took A-level mathematics? c Estimate the probability that a student will achieve grade B or C next year.​
Mathematics
1 answer:
skelet666 [1.2K]2 years ago
5 0

Answer:

very hard very hard

Step-by-step explanation:

other will answer it

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