Question
1.The amount of wattage used by 42-inch, large-screen plasma televisions follows a Normal distribution with a mean of 353.8 and standard deviation of 5.6. a)Use
1.The amount of wattage used by 42-inch, large-screen plasma televisions follows a
Normal distribution with a mean of 353.8 and standard deviation of 5.6.
a)Use the 68-95-99.7 Rule estimate the proportion of TVs that use between 348.2 & 359.4 watts.
b)Use the Standard Normal Table (or TI-graphing calculator) to compute(to four-decimal accuracy) the proportion of TVs that use between 348.2 & 359.4 watts.
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Basic College Mathematics (Subscription)
Authors: Elayn Martin Gay
6th Edition
0134844947, 9780134844947
