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3 years ago

Pls help me!!!! I will give brainliest!!!!

Mathematics

2 answers:

Yakvenalex [24]3 years ago

7 0

Answer:

Step-by-step explanation:

There are 10 numbers from 0 to 9

x - number of numbers that represent a success

The probablity of success: $\dfrac x{10}$

$\dfrac x{10}=70\%\\\\\dfrac x{10}=\dfrac{70}{100}\\\\\dfrac x{10}=\dfrac{7}{10}\\\\x=7$

there are 7 numbers from 0 to 6

Gwar [14]3 years ago

5 0

Answer:

Step-by-step explanation:

because the numbers 0-9 consist of 10 numbers,

having a 70% chance of success means that out of the 10 numbers, 7 are correct.

thus, choice B is correct as it have 7 numbers in it

(rmb to count "0" as a number!)

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