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The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1200 hours and a standard deviation of 100 hours. Using the empirical rule, what percentage of light bulbs last between 1100 hours and 1300 hours?
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Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?
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Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2
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Cate purchases $1600 worth of stock and her broker estimates it will increase in value by 4.2% each year. after about how many years will the value of cate's stock be about $2000
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The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1200 h...
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