Mathematics, 18.12.2019 23:31 Kadancepiggott7
Assume the readings on thermometers are normally distributed with a mean of 0 degrees c and a standard deviation of 1.00 degrees c. find the probability that a randomly selected thermometer reads greater than 2.17 and draw a sketch of the region.
Answers: 1
and 
![P(X2.7)=1-P(\xleq2.7)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{2.7-0}{1})\\\\=1-P(z\leq2.7)\ \ [\because\ z=\dfrac{x-\mu}{\sigma}]\\\\=1-0.9965\ \ [\text{By z-table}]\ \\\\=0.0035](/tpl/images/0424/9480/ba447.png)
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Assume the readings on thermometers are normally distributed with a mean of 0 degrees c and a standa...
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