Question

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

Answer 1

Answer:

            B

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

Answer 2

Answer:

B

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!)