Sketch the normal and the standard normal distribution

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The lifetime of an electronic component is known to be normally distributed with a mean of 1000 h and a standard deviation of 80 h.

What is the probability that a component picked at random from the production line will have a lifetime

Between 1120 and 1180 h?

Between 955 and 975 h?

Below 955 h?

Above 975 h?

-Sketch the normal and the standard normal distribution for this problem and shade the area corresponding to part d.

Reference no: EM13891563

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