Acertain brand of light bulb is advertised to last 1600 hours. suppose that the lifetimes of the light bulbs are normally distributed with a mean lifetime of 1650 hours and a standard deviation of 60 hours. sketch the normal distribution, go out 3 standard deviations.

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

Measure of angles 31 (x+4) (3x+9) me

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8