4.133 Making glassware.
In a process for manufacturing glassware, glass stems are sealed by heating them in a flame. The temperature of the flame varies. Here is the distribution of the temperature measured in degrees Celsius:
Temperature | 540° | 545° | 550° | 555° | 560° |
Probability | 0.1 | 0.25 | 0.3 | 0.25 | 0.1 |
What are the mean and standard deviation of the temperature of the fame in the Fahrenheit scale?
4.133
(a) (b) (c)