06/22/19

Determine the E(3X+2X^2), if E(X)=0.2 and E(X^2)=1.45

A team wins 45% of its games. What is the probability the team will win all of its next three games?

Any help with this statistics question? Thanks!

Exponential and Logarithmic Equations

ex + 45e−x − 14 = 0solve for x, round to four decimal places.

Please solve and show work without graphing calculator.

The assets, in billions of dollars, of the four wealthiest people in a particular country are 34, 25, 19, 17. Assume that samples of size and equals two are randomly selected with replacement from... more

06/14/19

A pharmaceutical company receives large shipments of ibuprofen tablets...

A pharmaceutical company receives large shipments of ibuprofen tablets and uses this acceptance sampling plan: randomly select and test 29 tablets, then accept the whole batch if there is at most... more

Lifespan of CD Players

The lifespan of CD players is normally distributed with an average lifespan of 2.3 years with a standard deviation of 0.4 year. What is the probability that it will break down within 2 years?

04/29/19

Approximate the logarithm using the properties of logarithms, given logb 2 ≈ 0.3562, logb 3 ≈ 0.5646, and logb 5 ≈ 0.8271. (Round your answer to four decimal places.)

Approximate the logarithm using the properties of logarithms, given logb 2 ≈ 0.3562,  logb 3 ≈ 0.5646, and logb 5 ≈ 0.8271.  (Round your answer to four decimal places.)logb^2 3b

04/18/19

Find h'(6) when h(x)=f(x)/g(x)

Suppose that f(x) and g(x) are differentiable functions such that f(6)=3, f'(6)=4, g(6)=8, and g'(6)=1. Find h'(6) when h(x)=f(x)/g(x).

04/17/19

Let p be the number of real solutions of the equation 3x+x-3=0 in the interval [0; 1] , and let q be the number of real solutions that are not in [0; 1].

Let p be the number of real solutions of the equation 3x+x-3=0 in the interval [0; 1] , and let q be the number of real solutions that are not in [0; 1]. Which of the following is truea) p =0 and q... more

04/17/19

Factor completely

2(y- 3)2 - 5( y -3) + 3 how to factor it completely

04/14/19

force and energy

A spring has a force constant of 420.8 N/m. Find the potential energy stored in the spring when the spring isa) stretched 4.44 cm from equilibrium.Answer in units of J.b) compressed 2.79 cm from... more

04/12/19

Math statistic work

A survey indicates that 40% of women in U.S. consider reading their favorite leisure - time activity. You randomly select 10 U.S. women And ask them is reading their favorite leisure- time... more

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