Question

Will Medal, really need help please!?

Answer 1

Laura has 3 eye doctors, Dr. #1, Dr. #2, and Dr. #3. The probability that the Dr. #1 give the correct diagnosis is 0.89, for Dr. #2 it is 0.72, and for Dr. #3 it is 0.93. What is the probability that all 3 make an incorrect diagnosis on a given day?

Answer 2

do you know how to find probability

Answer 3

I only know that the probability of getting it wrong is 11/100; 28/100; and 7/100 respectively.

Answer 4

https://www.easycalculation.com/statistics/probability.php
use this calculator and try to plug the numbers in
name it Doctors

Answer 5

I dont know how to use such a calculator

Answer 6

What is the probability of Dr 1 being wrong?
Same for Dr 2?
Same for Dr 3?

Multiply those three numbers.

Answer 7

0.2156% chance of getting it wrong?

Answer 8

Idk. Show your work.

Answer 9

(11/100)*(7/100)*(28/100)

Answer 10

Yep.

Answer 11

Ok, so there is two more parts to the question if you can help me with those then I will be fine, is that good with you?

Answer 12

Post them

Answer 13

Using the same information above, what is the probability that Dr. #2 makes an incorrect diagnosis on 3 consecutive visits

Answer 14

would it just be ((28/100)^3)?

Answer 15

Yep

Answer 16

Ok now here is a new problem

Answer 17

Post a new question for a new problem

Answer 18

A small bag contains 6 pennies, 5 nickels, 3 dimes, 5 quarters, and 2 one dollar coins.
You choose a coin at random, do not replace it, and then choose a second coin at random. What is the probability that you chose a quarter followed by another quarter.

Answer 19

Is the answer (5/21)*(4/20)?

Answer 20

which equals (1/21)

Answer 21

Yes

Answer 22

all right we are almost done, last couple

Answer 23

Post a new question for them. Open a new one.

Answer 24

k, will you come back and help though?

Answer 25

Yes

Answer 26

thanks man, you're the best