12 items are filed under this topic.
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Two non zero vectors |
2009-10-27 |
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From Nazrul:
Given that a and b are two non zero vectors and ma+nb=0 where m and n are two scalars. How can I prove that m=n=0.
Answered by Robert Dawson. |
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Toss a coin and roll a die |
2009-09-21 |
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From Celeste:
Can you please tell me how to set up this problem to find the answer. I know they are independent from there I don't know.
a coin and a regular six-sided die are tossed together once. What is the probability that the coin shows a head or the die has a 5 on the upward face?
Answered by Penny Nom. |
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Probability of Two Independent Events |
2009-06-07 |
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From Sharon:
A basketball player is given 2 freeshots, if the probability of making 1 of the 2 shots is 3/4 what is the probability of making 2 of the 2 shots or both shots?
Answered by Janice Cotcher. |
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Dependent & Independent Events |
2009-03-06 |
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From maci:
what is the probablility of drawing at random 2 blue marbles in a row
if there is 3 red,4 green,2 yellow,and 5 blue marbles?
Answered by Janice Cotcher. |
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Augmented matrix: independent, dependent, or inconsistent? |
2009-02-23 |
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From Anna:
Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent.
x + y + z = 11
x - y + 3z = 5
2x + 2y + 2z = 15
Answered by Harley Weston. |
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A dependent variable |
2008-01-30 |
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From lavada:
i need the definition to dependent variable
Answered by Stephen La Rocque. |
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Josh and John were both exposed to the flu |
2005-12-16 |
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From Dudley:
Josh and John were both exposed to the flu. John has a 25% chance of getting it, while Josh has a 75% chance of getting it. What are the chances that at least one of them has the flu?
Answered by Penny Nom. |
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Can we take the derivative of independent variable |
2005-10-18 |
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From Mussawar:
why we take derivative of dependent variable with respect to independent variable .can we take the derivative of independent with respect to dependent.if not why.
Answered by Walter Whiteley. |
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Probability |
2002-08-16 |
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From Chris:
There are two possible outcomes for a random event, A and B. The probability of A being the outcome is 63%, and B 37%. What is the likelihood that B will be chosen twice, consecutively? Three times, ten?
Answered by Andrei Volodin. |
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A lemon and a recall |
2001-04-25 |
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From Katie:
A Man has two cars, a recall and a lemon. The probability that the recall starts is 10%. The proabability that the lemon will start is 5%. What is the proabability that both cars will start?
Answered by Andrei Volodin. |
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Independent tests |
2000-10-07 |
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From A student:
If the false-positive rate of each test in a battery of tests is 0.05, how many independent tests can be included in the battery if we want the probability of obtaining at least one false-positive result to be at most 0.2?
Answered by Harley Weston. |
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An expected value |
2000-04-24 |
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From Carl Pride:
Suppose that in a statistics class of size 23, each student has a probability of passing of 73 percent. sample: What is the expected number of students who will pass??
Answered by Harley Weston. |
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