Raymond B.

04/09/14

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.

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. 1. Using the problem above, to test the claim that... more

Follows • 1

Answers •1

Algebra

04/08/14

0.6q+100= -q2/2000-0.7q+1000

need to find equilibrium

Follows • 1

Answers •1

Math Stats

03/30/14

Math Stats Help?

In a Gallop poll of 567 randomly selected adults, 274 said they were underpaid. Construct a 95% confidence interval estimate for the percentage of all adults who said they were underpaid.

Follows • 1

Answers •2

Statistics

03/26/14

Statistics Problem

Based on observed males using public restroom, 85% of adult males wash their hands in public. In a survey of 523 males, 518 reported they wash their hands in public restrooms. Assuming the 85% rate... more

Follows • 1

Answers •1

Math

03/25/14

Statistic Questions?

Coke cans are filled with 12 ounces of soda with a standard deviation of 0.11 oz. Find the probability that in a sample of 49 cans, the mean will be greater than 12.10 ounces (profit waste).

Follows • 1

Answers •1

Math Statistics

03/25/14

Statistic Questions?

1. Coke cans are filled with 12 ounces of soda with a standard deviation of 0.11 oz. Find the probability that in a sample of 49 cans, the mean will be greater than 12.10 ounces (profit... more

Follows • 1

Answers •1

Sampling Distribution

03/24/14

statistics

Let x be a random variable that represents white blood cell count per cubic millimeter of whole blood in a healthy adult. Then mu=7500 and o = 1750. A random sample of n=50 workers from the toxic... more

Follows • 1

Answers •1

Combinatorics

03/05/14

How many ways can you deal a hand o 13 playing cards that contains four spades, seven diamonds and two hearts? Leave your answer in factorial form.

I have to answer this question for an online math course and am a bit confused by it. I know how to calculate the exact number of ways, but am a bit confused by the requirement that it be shown in... more

Follows • 1

Answers •1

Number Sequences

02/20/14

6, 8, 10, 12, up tp 246. how long is the total length of all the rods?

A support rod is 6 feet long and every rod after is 2 feet longer than the previous (6, 8, 10, 12.......246) up to 246. What is the formula to find the total length of all the rod lengths added... more

Follows • 4

Answers •4

Math Mathematics Math Problem

02/15/14

For all sets A, B, and C. Assuming each is a subset of a universal set U

A) Is the following true? (A-B)∩ (C-B) = A- (B ∪C) B) Find a counterstatement to (a)

Follows • 1

Answers •1

Elementary Math Arithmetic

02/15/14

whats is 2+3

2+3

Follows • 3

Answers •8

Math Trigonometry Math Help

01/05/14

Use the sum or difference formulas to determine: A. sin105 degrees and B. tan15 degrees

This is for my trig class, thanks for the help!

Follows • 1

Answers •2

Math Trigonometry Math Help

01/03/14

Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class. Thanks for the help!

Follows • 3

Answers •3

Other

12/25/13

logx^4+logx^2=6

log4x+log2x=6

Follows • 5

Answers •5

Precalculus Trigonometry Trig

12/12/13

2sec^x-2sec^2x sin^2x

i've done problems like this before, but i was always able to change a term to cancel out something

Follows • 2

Answers •2

Trigonometric Identities

12/08/13

prove the following trigonometric identity

sinx÷ cscx + cosx÷ secx=1

Follows • 2

Answers •2

Algebra 2

11/29/13

Algbrea 2 Math

Assume that a and b are positive integers. (b^2/over a,b^1/over a)^a=

Follows • 1

Answers •1

Other

11/24/13

True or False Statistics Questions?

1) Continued sampling of size 16 will result in μx-(mean of all sample means)=μ(population mean). (True or False) 2)The point estimate for an unknown population mean is an unbiased sample mean.... more

Follows • 1

Answers •1

Math

11/01/13

solve the equation log3 (3x-6) = log3 (2x+1)

Follows • 4

Answers •5

Math Problem

09/18/13

What's 5/6 plus 2 1/6 in simplest form ?

A green iguana is 5/6 foot long when it is born.During it's first year of life,it grows 2 1/6 feet.How long is the green iguana at the end of the first year?

Follows • 3

Answers •3