Answered

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Maria has a spinner that has 10 equal sections each containing a different number from 1 to 10 Maria determines about how many times a spinner will land on a number that is greater than seven and 250 spends at her work is shown below what mistake did Maria make if any.
A. Maria has the formula reversed it should be the total number of sections over the number greater than seven
B. Maria should have used three in the numerator because there are three numbers greater than seven
C. Maria should multiply the number of sections in the spinner rather than the total number of spins
D. Maria calculated the prediction correctly and did not make any mistakes

Sagot :

Answer:

There are 3 numbers greater than 7 on this spinner:  8, 9 and 10.  Mariah wrote 4 instead of 3, which makes her probability higher.  

She should have:

3/10(250) = 750/10 = 75

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