02/04/16

Probability
an unfair coin has a probability of coming up heads of 0.65. The coin is flipped 50 times. What is the probability it will come up heads 25 or fewer times? (Give answer to at least 3 decimal... more
Follows • 3
Expert Answers •2

01/28/16

What is the sample space for this situation?
A telephone sales representative makes successive calls to potential customers, and the result of each call is recorded as a sale (S) or a no sale (N). Calls are continued until either two... more
Follows • 2
Expert Answers •1

01/28/16

What is the probability of randomly choosing an ace from a regular deck of cards? What is the probability of choosing an ace of hearts?
There are 52 cards In a regular deck. There are 4 suits (hearts, clubs, diamonds, and spades) with 13 cards in each suit. What is the probability of randomly choosing an ace from a regular deck of... more
Follows • 2
Expert Answers •1

01/28/16

x^(3/2) - 14x^(1/2) + 49x^(-1/2) = 0
find all real solutions.
Follows • 3
Expert Answers •2

01/21/16

U=sqrt{5i}-8j, V=5i,j. Find the angle between the Vectors
I really need these solved
Follows • 2
Expert Answers •1

01/07/16

Differentiation problem
Prove that  Y=H^(7x2 +3x +2) Is the solution of the differentiation equation (14x+3) Y' - Y'' = 14Y
Follows • 3
Expert Answers •2

12/17/15

slope intercept
Write the slope intercept form of the equation of the line through the given points (0,3) and (5,-1) (3,-5) and parallel to y=-x-5
Follows • 3
Expert Answers •2

12/17/15

If, on the first observation the system is in state 1, what is the probability that it is in state 1 on the third observation?
A Markov chain has the transition matrix shown below:P=[0.2  0.4]     [0.8  0.6]   1. If, on the first observation the system is in state 1, what is the probability that it is in state 1 on the... more
Follows • 2
Expert Answers •1

12/16/15

Prove that an integer n>1 is a prime if and only if all of the binomial coefficients C(n,k) (1<k<n) are divisible by n
Prove that an integer n>1 is a prime if and only if all of the binomial coefficients C(n,k) (1<k<n) are divisible by n
Follows • 3
Expert Answers •2

12/12/15

Calculus- What is the work required?
A cable that weight 1.5kg/meter and is attached to a bucket that weight 75kg. Initially there are 500kg of grain in the bucket and as the bucket is raised 2kg of grain leaks out of the hole in the... more
Follows • 2
Expert Answers •1

12/11/15

Differentiate : y = x^2/x (PRAC TEST 2)
Differentiate :   x2/x     ANSWER: 2( 1 - ln(x)) * x2/x - 4/2 #38, practice test
Follows • 2
Expert Answers •1

12/08/15

Word problem
If you double President Reagans ago at the time of his first inauguration and subtract his age at the time he died , the result is 45 years. He was 69 at his first inauguration. How old was... more
Follows • 2
Expert Answers •1

12/08/15

Label the following as a function or NOT a function?
Is this a function?     (3,5)(-1,4)(2,5)(0,0)
Follows • 2
Expert Answers •1

12/08/15

Find the slope?
a.through     (-2,1),(3,-2)     b.through (0,-2),(5,-1)
Follows • 3
Expert Answers •2

12/08/15

Statistics Help Please
Could someone assist me with this please!!!!   Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. The design of... more
Follows • 2
Expert Answers •1

11/22/15

solve using quadratic formula x^2-3x+5=0
wHAT WOULD BE THE ANSWER FOR THIS EQUATION USING SOME RULES OF IMAGINARY NUMBERS. IT WILL BE ALRIGHT IF ANSWER WILL BE IN FRACTION. PLEASE SOLVE AND TELL ME THE ANSWER AND BRIEF DESCRIPTION OF... more
Follows • 2
Expert Answers •1

11/21/15

sample size used?
The poll conducted by media and other agencies use a 95% confidence. Where n is the sample size. Suppose =0.36 is the proportion of those in the sample who approve of the way the President is... more
Follows • 2
Expert Answers •1

11/21/15

SB 7.12 probability
12. Find the probability of rolling a prime number when a die is rolled.   a) 1/2 b) 1/3 c) 0 d) 1/6
Follows • 2
Expert Answers •1

11/20/15

cotx=-sqrt3, cosx<0, tan(x-pi/6)
cotx=-√3, cosx<0, tanx(x-Π/6) find the exact value
Follows • 2
Expert Answers •1

11/19/15

Proof by mathematical induction.
Proof by mathematical induction that for every integer h ≥ 0 there exists binary tree of height h with 2h leaves.
Follows • 2
Expert Answers •1

11/18/15

what is the antiderivative of: the cubed root of x +5/x^6
this is a calculus prblem on anti derivatives and integrals. please help.
Follows • 2
Expert Answers •1

11/18/15

markov chains
(i) If volume is high this week, then next week it will be high with a probability of 0.9 and low with a probability of 0.1. (ii) If volume is low this week then it will be high next week with a... more
Follows • 2
Expert Answers •1

11/18/15

Write the given expression as an equivalent simplified expression that contains no logarithms
2^3 log2 k     e^-3 ln k
Follows • 3
Expert Answers •2

11/18/15

How do I write a polynomial function degree with integral coefficients that has given zeros, when your given -5 mult. 3
I need help understanding this problem, it's for my math review and I have no idea how to do this.
Follows • 2
Expert Answers •1

11/18/15

I need some help!!!!!! solve by substitution: x - y + 2z = -7, y + z = 1, and x - 2y - 3z = 0.
x - y + 2z = -7 y + z = 1 x - 2y - 3z = 0   Write your answer as a point, an ordered triple: (x,y,z), without spaces
Follows • 5
Expert Answers •4

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.