Mathematics, 22.01.2020 06:32 krocker58
Atypical traffic signal is programmed on a timer so that it is red 50% of the time, green 42% of the time, and yellow 8% of the time. the bulbs for each color are led and are designed to last 100,000 hours. how many years does each color light last? give your answer in years and months (rounded to the nearest month). what is the problem asking? what do we know? how did you solve the problem? explain your steps.
Answers: 2
Mathematics, 21.06.2019 17:30
Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis
Answers: 1
Mathematics, 21.06.2019 17:30
Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny
Answers: 1
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 22:30
In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%
Answers: 1
Atypical traffic signal is programmed on a timer so that it is red 50% of the time, green 42% of the...
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