Mathematics, 27.12.2019 00:31 kamayabrown668
The manufacturer of an extended-life lightbulb claims the bulb has an average life of 12,000 hours, with a standard deviation of 500 hours. if the distribution is bell shaped and symmetrical, what is the approximate percentage of these bulbs that will last between 11,000 and 13,000 hours?
Answers: 2
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Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
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Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.
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Graph the linear function using the slooe and y intercept
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The manufacturer of an extended-life lightbulb claims the bulb has an average life of 12,000 hours,...
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