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3 years ago

I NEED HELP NOW ASAP

Mathematics

2 answers:

Rina8888 [55]3 years ago

8 0

Answer:

5 options : 2 correct options

: 3 wrong options

first answer : 2/5

second answer : 1/5-1

: 1/4

p( choosing correct answer)

= 2/5 × 1/4

= 1/10

Marrrta [24]3 years ago

3 0

Answer:

0.10

Step-by-step explanation:

hello,

there are 5 answers and 2 are correct

I choose a first answer - the probability to be a correct one is 2/5

then now, there are 4 left answers and only 1 left is correct

the probability to choose the correct one is 1/4

so in total the probability to choose the 2 correct answers out of 5 is

$\dfrac{2}{5}*\dfrac{1}{4}=\dfrac{1}{10}$

which is 0.10

hope this helps

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