Mathematics, 12.03.2020 06:08 ijohnh14
A commuter must pass through 5 traffic lights on her way to work and will have to stop at each one that is red. She estimates the probability model for the number of red lights she hits as shown below. X = # of red 0 1 2 3 4 5P(X = x) 0.06 0.25 0.35 0.15 0.13 0.06(a) Compute the mean, or expected value, of the random variable X. (Round to one decimal place as needed.)(b) Compute the standard deviation of the random variable X. (Round the final answer to one decimal place as needed. Round all intermediate values to three decimal places as needed.)
Answers: 2
Mathematics, 21.06.2019 14:00
Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit
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Mathematics, 21.06.2019 16:00
Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.
Answers: 1
Mathematics, 21.06.2019 18:50
The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year
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Mathematics, 21.06.2019 19:50
Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit
Answers: 1
A commuter must pass through 5 traffic lights on her way to work and will have to stop at each one t...
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