![subject](/tpl/images/cats/mat.png)
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.)
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96
Answers: 2
You know the right answer?
A commuter must pass through 5 traffic lights on her way to work and will have to stop at each one t...
Questions
![question](/tpl/images/cats/User.png)
SAT, 04.01.2022 22:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.01.2022 22:10
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/fizika.png)
Physics, 04.01.2022 22:10
![question](/tpl/images/cats/mat.png)
Mathematics, 04.01.2022 22:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
Arts, 04.01.2022 22:10
![question](/tpl/images/cats/biologiya.png)
Biology, 04.01.2022 22:10
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.01.2022 22:20
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 04.01.2022 22:20
![question](/tpl/images/cats/User.png)
SAT, 04.01.2022 22:20
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 04.01.2022 22:20
![question](/tpl/images/cats/mat.png)
Mathematics, 04.01.2022 22:20
![question](/tpl/images/cats/en.png)
English, 04.01.2022 22:20
![question](/tpl/images/cats/User.png)
SAT, 04.01.2022 22:20