A technician should use a short refrigeration gauge on what type of refrigeration systems?
What will be an ideal response?
A technician should use a short refrigeration gauge on systems containing a small amount of refrigerant.
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What is the effect of growth hormones used in animals raised for meat, and how does this benefit producers and consumers?
What will be an ideal response?
Another name for the y-coordinate is the abscissa.
Answer the following statement true (T) or false (F)
Oven thermostats were tested by setting them to350°F and measuring the actual temperature of the oven. In a sample of 67 thermostats, the average temperature was 348.2°F and the standard deviation was 5.1°F.
a. Find a 90% confidence interval for the mean oven temperature. b. Find a 95% confidence interval for the mean oven temperature. c. What is the confidence level of the interval(347.5, 348.9)? d. How many thermostats must be sampled so that a 90% confidence interval specifies the mean to within ±0.8°F? e. How many thermostats must be sampled so that a 95% confidence interval specifies the mean to within ±0.8°F?
Runlevel ____ shuts the system down.
A. 0 B. 1 C. 5 D. 6