On a 50 division inch vernier height gage, the beam scale reads 7.500 and the vernier is coincident at the first mark past the zero index. The total reading would be:
A) 7.500 B) 7.499 C) 7.501 D) 7.255
C
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According to the following chart,
when total utility is equal to 24, how many bottles of Dr. Pepper will this consumer give up in
order to get on more wing?
A) Two
B) None
C) One -half
D) Can't tell; insufficient information
During a recent drought, a water utility in a certain town sampled 100 residential water bills and found that 73 of the residences had reduced their water consumption over that of the previous year.
a. Find a 95% confidence interval for the proportion of residences that reduced their water consumption. b. Find a 99% confidence interval for the proportion of residences that reduced their water consumption. c. Find the sample size needed for a 95% confidence interval to specify the proportion to within ±0.05. d. Find the sample size needed for a 99% confidence interval to specify the proportion to within ±0.05. e. Someone claims that more than 70% of residences reduced their water consumption. With what level of confidence can this statement be made? f. If 95% confidence intervals are computed for 200 towns, what is the probability that more than 192 of the confidence intervals cover the true proportions?
A technician attaches one lead of a digital voltmeter to the ground terminal of the TP sensor and the other meter lead to the negative terminal of the battery. The ignition is turned on, engine off, and the meter displays 37.3 mV. Technician A says this is the signal voltage and is a little low. Technician B says the TP sensor ground circuit has excessive resistance. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
What is the highest distance above the road level a HID headlamp can be positioned on the front of a truck?
A. 24 inches B. 33.5 inches C. 37.5 inches D. 40 inches