06/25/19

Heather flips a coin 8 times and gets heads 5 times. What is the experimental probability of getting heads?

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06/24/19

What equation shows a slope of -5 and a y-intercept of (0,1) ?
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06/24/19

marginal cost of a product
The marginal cost of a product can be thought of as the cost of producing one additional unit of output. For​ example, if the marginal cost of producing the 50th product is​ $6.20, it cost​ $6.20... more
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06/23/19

The Standard Normal Distribution
For the standard normal distribution, find the value of c such that:P(z > c) = 0.3002
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06/22/19

Obtain the variance with benouli probability of success p=0.4
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06/22/19

Determine the E(3X+2X^2), if E(X)=0.2 and E(X^2)=1.45
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06/22/19

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!
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06/19/19

Exponential and Logarithmic Equations
ex + 45e−x − 14 = 0solve for x, round to four decimal places.
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06/16/19

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
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06/15/19

How much energy would a single photon have if its wavelength was 470 no?

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06/15/19

If a radio station carrier signal is an electromagnetic wave that has a frequency of 103.3 MHz, what is the wave’s wavelength?

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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
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05/17/19

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?
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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
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04/23/19

What is the area of triangle formed by points (2, 1), (6, 1) and (4, 9)?
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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).
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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
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04/17/19

Factor completely

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