The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is $1000 and the standard deviation is $130. Round answers to at least 4 decimal places, use technology. 610 740 870 1000 1130 1260 1390 Distribution of Prices What is the probability that a buyer paid between $870 and $1130? What is the probability that a buyer paid between $1000 and $1260? What price would the buyer pay to get 9% the most expensive HD televisions?
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- Mean (\(\mu\)) = $1000 - Standard deviation (\(\sigma\)) = $130 Step 2: Convert the prices to z-scores using the formula: \[ z = \frac{X - \mu}{\sigma} \] ### Probability that a buyer paid between $870 and $1130 Step 3: Calculate the z-scores for $870 and Show more…
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The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is $1000 and the standard deviation is $145. [Round answers to 2 decimal places, use technology.] 565 710 855 1000 1145 1290 1435 Distribution of Prices What is the probability that a buyer paid between $855 and $1145? What is the probability that a buyer paid between $710 and $1000? What price would the buyer pay to get 9% the most expensive HD televisions?
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