Will give medal and fan to best and fastest response.

the life expectancy of a particular brand of light bulb is normally distributed with mean of 2,000 hours and a standard deviation of 27 hours

a.)0.17619
b.)0.32381
c.)0.79165
d.)0.96784

Question

Will give medal and fan to best and fastest response.

 the life expectancy of a particular brand of light bulb is normally distributed with mean of 2,000 hours and a standard deviation of 27 hours

a.)0.17619
b.)0.32381
c.)0.79165
d.)0.96784

anonymous · Answer

@amistre64 @ganeshie8 @SolomonZelman @mathstudent55

anonymous · Answer

@Hero

anonymous · Answer

@tanmaykhandait

anonymous · Answer

Could you please rewrite the question...I didn't get it

anonymous · Answer

the life expectancy of a typical light bulb is normally distributed with a mean of 2000 hours and a standard deviaton of 27 hours. what is the probability that a lightbulb will last between 1975 and 2050 hours?

anonymous · Answer

@sleepyjess

anonymous · Answer

please help me i really need your help

anonymous · Answer

@mathman123

anonymous · Answer

@mathman123 will you help me? :-)

anonymous · Answer

I think but im not 100% sure its d

anonymous · Answer

alrighty after i submit my work and if its correct then i will fan and give best answer :-) thank you so much @mathman123

anonymous · Answer

i need help with a few more as well if you can help me @mathman123

anonymous · Answer

ill try

anonymous · Answer

make a new question

anonymous · Answer

besides I cant help now im in the middle of my own question sry but I will when I can

anonymous · Answer

was it right?

anonymous · Answer

not sure yet @mathman123  but ill let you know :)