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Hitman42 [59]
3 years ago
14

Mariah has a spinner that has 10 equal sections, each containing a different number from 1 to 10. Mariah determines about how ma

ny times the spinner will land on a number that is greater than 7 in 250 spins, and her work is shown below.
P (number greater than 7) = StartFraction Number greater than 7 over Total number of sections EndFraction times number of spins = StartFraction 4 over 10 EndFraction (250) = 100.

What mistake did Mariah make, if any?
Mathematics
2 answers:
Akimi4 [234]3 years ago
8 0

Answer:

She wrote a 4 instead of a 3.

There are only 3 numbers that are greater than 7. They are 8, 9, and 10. Mariah must have include 7 in her list. That is how she got 4 instead of 3.

Elina [12.6K]3 years ago
3 0

Answer:

Mariah used 4 rather than 3.

Step-by-step explanation:

took a test with this question on it

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