Ask Experts Questions for FREE Help !
Ask
    bethany7's Avatar
    bethany7 Posts: 7, Reputation: 1
    New Member
    		  
    #1

    Sep 6, 2012, 05:08 AM
    what is the probability of getting an a b or c with 2A, 4B
    What is the probability of getting an A B and a C in geography with homework grades of 2 A, 4 B and 2 C's, Maths 3A, 3 B and 2C's, and music 1 A, 2 B and 5C's
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #2

    Sep 6, 2012, 05:09 AM
    Really depends on how hard you work.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
    Expert
    		  
    #3

    Sep 6, 2012, 06:09 AM
    Depends on how your teacher averages these, but I would guess geography = B, maths = B, music= C.
    bethany7's Avatar
    bethany7 Posts: 7, Reputation: 1
    New Member
    		  
    #4

    Sep 6, 2012, 06:24 AM
    Quote Originally Posted by ebaines View Post
    Depends on how your teacher averages these, but I would guess geography = B, maths = B, music= C.
    Yes, but I needed to know how to work out the probability - I got 27/72 by adding or 40/512 by multiplying and I'm not sure with method is correct. Any ideas please?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
    Expert
    		  
    #5

    Sep 6, 2012, 06:49 AM
    It's impossible to calculate a probability of getting any particular grade from the data you've provided. I would think there's an algorithm the teacher uses to determine grades - most likely averaging the grades and seeing how the average maps against the ranges for final grades. So this is not really a probability question at all.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Probability [ 1 Answers ]

A race track tote board has the odds for a horse listed as 5 to 3. tote boards list the odds that a horse will lose the race. If this is the case, what is the probability of the horse winning the race?

Probability [ 1 Answers ]

In a certain lottery, 3 numbers between 1 and 9 inclusive are drawn. These are the winning numbers. How many different selections are possible? Assume that the order in which the numbers are drawn is not important.

Probability [ 1 Answers ]

Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the digits from the set of 0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. If one slip is drawn at random, what is P(odd number and a vowel)?

Probability [ 1 Answers ]

What is the probabilty of throwing a sum of 15 on three rolls of a fair die if the first roll is 4?

Geometric probability, conditional probability with area of square [ 2 Answers ]

Chose a point at random in a square with sides 0<x<1 and 0<y<1. Let X be the x coordinate and Y be the y coordinate of the point chosen. Find the conditional probability P(y<1/2 / y>x).

View more questions Search