3 years ago

What is the probability that she gets exactly 4 or exactly 5 questions right?

1 answer:

7 0

Probability that the questions are answered corectly1/4 = 0.25
probability that they are answered wrong 3/4 = 0.75
probability that 4 out of 7 are corect 7C4(0.25)4(0.75)3 which equals 0.0577

You might be interested in

What is 123% of $938.55?<br><br> Round your answer to the nearest cent

ollegr [7]

Answer:

1154.41 (rounded)

Step-by-step explanation:

8 0

3 years ago

On a test spencer got 1/8 of the problems worng . which set best represents the ones he got worng

GrogVix [38]

B I think lol hfrhbffgg

4 0

3 years ago

Read 2 more answers

What is the answer to this question

mylen [45]

Answer:

i think it is....

-1

-2

-3

sorry if im wrong mark brainliest if righ

5 0

3 years ago

When a number is decreased by 43%, the result is 20. What is the original number

HACTEHA [7]

Answer:

idk

Step-by-step explanation:

because i said so.

8 0

3 years ago

Read 2 more answers

What numbers go in the blank!?!

Inessa [10]

16 is the correct anwser

7 0

3 years ago