06/09/15
probability and salary
The mean annual salary of school bus drivers is $26,000 with a standard deviation of $5,000. A) What is the probability of randomly selecting a single driver making under $25,000? I have .4207B)...
more
06/06/15
At least what percentage of data must fall within 1.73 standard deviations above/below the mean?
Use Chebyshev’s Theorem to answer the following questions:
06/02/15
Forgot my textbook at home and have nothing to study and practice on and get correct answer
can you give me 2 practice questions
for each section and do the work for the 1st one and let me do work for second one to practice and make sure I'm doing everything right? Thanks
1)...
more
05/31/15
Macroeconomics help
1.Which are contractionary fiscal policies? A. Increased taxation and increased government spendingB. Increased taxation and decreased government spendingC. Decreased taxation and no change in...
more
05/28/15
x^2(3x^2+k/x)^8 The constant is 16128. Find k
This is binomial expansion. I need to find k. The constant is 16128. Can you please help me?
x2(3x2+k/x)8
05/27/15
Write the following in the terms of log 5 log 3 and/or log 2
1) log 5/12
write the log equations for each then solve using logs
2) x=5th square root (72.43)*3rd square root (.00035)^2 divided by the 6th square root (5.84)
3)2.35^x=342.7
05/26/15
You invest $12000 in stocks with a project growth of 8 predict the value of your investment after 6 years if the interest is compounded quarterly
Interpret, write an equation, then solve
05/26/15
Math word problem 7th grade in indian number system
If a square has 16/25 mar.as one side, what is the area of the same? How many squares with of 4/5 mar.side(one side) can be drowning within the bigger square, leaving no area as remainder?
05/16/15
cross multiplying proportions (the math behind it)
I want to share a method i came up with that makes more since to me then cross multiplication. for example 6/x=2/4 if i take the reciprocal of 2/4 and multiply it on both sides i get 24/2x, when...
more
05/15/15
(6x^2+2y-5x)-(nx+7) "N" is a constant , ehat is the value of n makes the coefficient of x term q when the expression is complete
Possible answer
A-2
B-4
C-14
D-15
05/07/15
Math problem
From a 15-inch by 15-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in...
more
05/06/15
A box without a lid is constructed from a 40 inch by 40 inch piece of cardboard by cutting x in. squares from each corner and folding up the sides.
Use a graphing calculator to approximate the values of x that produce a volume of 4500. Note: There are 3 values of x that produce the given value but only two of them are acceptable in the context...
more
05/05/15
Write the sum using summation notation, assuming the suggested pattern continues.
Write the sum using summation notation, assuming the suggested pattern continues.-8 - 3 + 2 + 7 + ... + 67 summation of the quantity negative eight plus five n from n equals zero to fifteen...
more
05/05/15
The test Linda took had 120 questions.
How many questions could she have expected to have gotten right if she had guessed all of them?
What is the probability of getting at least thirty questions right by guessing all of them?
05/03/15
Compute Pr(-1.54<Z<1.33)
Suppose that Z is standard normal random variable. Compute Pr(−1.54<Z<1.33).(If needed, round answers to 3 decimal places)
05/03/15
Compute Pr(Z<-1.54)
Suppose that Z is a standard normal random variable. Compute Pr(Z<−1.54).(If needed, round answers to 3 decimal places)
05/02/15
I have a graph of a hyperbola where the vertices are at (-3,0) and (3,0) and the center is (0,0). It needs to be written in a standard form
(x-h)2 / a2 - (y-k)2 / b2
04/30/15
four times the number of white marbles exceeded 9 times the number of red marbles by 10. The ration of blue marbles to red marbles was 3 to 1. There is a total
How to form a system with variables.
04/29/15
helpme me please
1. Find the rate of change of f (x)= x^+25 from x=-2 to x=1
2. Use long division to find the quotient and reminder: 6x^3 -x^2-5x+4/3x-2
3. the exponential function passing through (0,3)...
more
04/28/15
normal distribution,
In a normal distribution, find ? when ? =110 and 4.56% of the area lies to the
04/28/15
Find the mean statistics
If 5 % of caculators are defective find the mean(Expectation), variance and standard deviation of alot of 25 Calculators.
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.