![subject](/tpl/images/cats/mat.png)
Mathematics, 29.03.2020 06:37 babygirl226
In a certain microwave oven on the high power setting, the time it takes a randomly chosen kernel of popcorn to pop is normally distributed with a mean of 140 seconds and a standard deviation of 25 seconds.
A) what percentage of the kernels will fail to pop if the popcorn is cooked for 2 minutes?
B) what percentage of the kernels will fail to pop if the popcorn is cooked for 3 minutes?
C) if you wanted 95% of the kernels to pop, what time would you allow?
D) if you wanted 99% of kernels to pop, what time would you allow?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
Question 7 of 47 1 point what is the equation of a line with a slope of 1/2 that passes through the point, (-2,5)? o a. 1/2x+3 o b. y=1/2x+5 o c. y=x+5 o d. y=1/2x+6
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Percent increase and decrease. original number: 45 new number: 18
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:30
The slope of the line passing through the points (2, 7) and (-4, 8) is
Answers: 2
You know the right answer?
In a certain microwave oven on the high power setting, the time it takes a randomly chosen kernel of...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.06.2019 02:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 02:40
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 02:40
![question](/tpl/images/cats/biologiya.png)
Biology, 29.06.2019 02:40
![question](/tpl/images/cats/geografiya.png)
Geography, 29.06.2019 02:40
![question](/tpl/images/cats/istoriya.png)
History, 29.06.2019 02:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 02:40
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.06.2019 02:40
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/health.png)