Technician A says that a radio can receive AM signals, but not FM signals, if the antenna is defective. Technician B says that a good antenna should give a reading of about 500 ohms when tested with an ohmmeter between the center antenna wire and ground. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
D
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The number designation of a reinforcing bar denotes the approximate diameter of the bar in _____.
a. eighths of an inch b. centimeters c. sixteenths of an inch d. ounces per foot
Which of the following cells are NOT considered environmentally friendly?
A. NiCad B. NiMH C. Li-Ion D. Ultra-capacitors
The owner serves as the architect's agent throughout the design and construction process.
Answer the following statement true (T) or false (F)
Refer to Exercise 1. Another molecular biologist repeats the study with a different design. She makes up 12 DNA samples, and then chooses 6 at random to be treated with the enzyme and 6 to remain untreated. The results are as follows:
Enzyme present: 12 15 14 22 22 20 Enzyme absent: 23 39 37 18 26 24 Find a 95% confidence interval for the difference between the mean numbers of fragments.