Doug B.

10/25/15

If there were 12 more blue marbles the number of blue marbles would be double the number of red. If there were 4 less red marbles, the number of green marbles w

We have to show our work, but every equation that I've tried has given me the wrong answer. The answer is supposed to be 24.

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Statistics Question

10/22/15

a binomial probability experiment is conducted

a binomial probability experiment is conducted with the given parameters. compute the probability of x successes in the n independent trials of the experiment. n=13 p=0.35 x≤4

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College Algebra Word Problem

10/09/15

A newspaper carrier has $6.20 in change. He has four more quarters than dimes but five times as many nickels as quarters. How many of each type does he have?

This one was another that was entirely too complicated for me. I get confused on this question.

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Statistics Statistics Question

10/06/15

Stat question help.

if a can of pop has a mean of 12.oz ounces and a standard deviation of 0.11 what is the probability that your coke can have more than 12.00 ounces

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Physics Physics B Frequency

05/19/15

There are two lines of string connected to an oscillator, one only slightly longer. The oscillator is set to vibrate at the lowest frequency, creating a standing wave in the shorter one. Will this... more

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Statistics Statistics Question Helping Others

03/26/15

Statistics Problem Need Help!

The time it takes a symphony orchestra to play Beethovens Ninth Symphony has a normal distribution with a mean of 64.3 minutes and a standard deviation of 1.15 minutes. The next time it is played... more

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Statistics Statistics Question Stats

02/21/15

Three complicated statistics (Normal Distribution) questions

1) The lengths in minutes of feature films for the current year follow a normal distribution with a mean of 109 minutes and a standard deviation of 12 minutes. What percentage of feature films in... more

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Statistics Probabilities

11/10/14

statistics question please help

An article indicates that 20% of male employees state that they have to pick up the slack for moms working flextime schedules. A random sample of 100 male employees working for companies offering... more

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Statistics

10/29/14

Statistics

statistics The average number of books read by an American man is for books with a standard deviation of 1.25 it is also known that the number of books read by men is not normally distributed.... more

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Statistics Statistics Question Mode

10/19/14

HELP!! std. dev, mode and mean.

There are 5 participants in a study. All I have are some statistics to find out the individual numbers for the 5 people. The mean is 8, the standard deviation is 4, the mode is 5 and the range is... more

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F(x) Questions

10/12/14

solve for x

Let h(x) = |x| − 2x + 5. Find all solutions to the equation h(x − 1) = x − 3.this is what i have but it is not correct... x-3=x-1-2x-2+5x=-x+52x=5x=2.5 and x is greater than or equal to 0then... more

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Calculus Phaseshift

10/12/14

Determine amplitude,period and phase shift of y=2sin(pi/3x+ pi)

Calculus need phase shift help

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Math Statistics

04/08/14

Statistic Questions?

In a poll of 212 prison wardens, 98 said that tattoos are a sign of trouble. Find the sample proportion who think tattoos are a sign of trouble. Using the problem above, to test the claim that less... more

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Math Rounding

12/28/12