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2 years ago

Help Help Help I Need a,b,c

Mathematics

2 answers:

Rzqust [24]2 years ago

8 0

A) all three

B) 2

C) cello, flute, djembe, bass, ziether, guitar, piano, ukulele, lute

HOPE THIS HELPS!!!!1

marta [7]2 years ago

4 0

For 1) the tuba is taught on Tuesday, Wednesday, and Friday.
For 2) There are 2 instruments taught only on Tuesdays
For 3) Cello, Flute, Piano, Ukulele, Violin, and Lute

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What set does not contain the number 3

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i need help with a math problem right now it says A car rental agency advertised renting a car for $24.95 per day and $0.26 per

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Step-by-step explanation:

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3 years ago

A student answers a multiple-choice examination question that offers four possible answers. Suppose the probability that the stu

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Answer:

The value is $P(A | W) = 0.941$

Step-by-step explanation:

From the question we are told that

The probability that the student knows the answer to the question is $P(A) = 0.8$

The probability that that the student will guess is $P(G) = 0.2$

The probability that that the student get the correct answer given that the student guessed is $P(W /G) = 0.25$

Here W denotes that the student gets the correct answer

Generally it a certain fact that if the student knows the answer he would get it correctly

So the probability the the student got answer given that he knows it is

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Generally from Bayes theorem we can mathematically evaluate the probability that the student knows the answer given that he got it correctly as follows

$P(A | W) = \frac{ P(A) * P(W | A )}{ P(A) * P(W | A) + P(G) * P(W| G)}$

=> $P(A | W) = \frac{ 0.8 * 1}{ 0.8 * 1+ 0.2 * 0.25}$

=> $P(A | W) = 0.941$

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3 years ago