roblem 3) The life length of light bulbs manufactured by a company is normally distributed with a mean of 1000 hours and a standard deviation of 200 hours. a) What life length in hours is exceeded by 97.5% of the light bulbs

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom