The time spent by a customer at a checkout counter has mean 4 minutes and standard deviation 2 minutes.
a. What is the probability that the total time taken by a random sample of 50 customers is less than 180 minutes?
b. Find the 30th percentile of the total time taken by 50 customers.
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There are two types of overcurrent devices used in PV systems: ____________________ and circuit breakers
Fill in the blank(s) with the appropriate word(s).
One ounce is equal to 28.35 grams. Convert 16 ounces to grams. Round your answer to the nearest tenth
A) 1.8 grams
B) 12.4 grams
C) 44.4 grams
D) 453.6 grams
"Candling" an egg is a test of fertility.
Answer the following statement true (T) or false (F)
An 8-bit microprocessor is so named because
A) it has an 8-bit control bus. B) the memory address is 8 bits wide. C) all internal registers hold no more than 8 bits. D) its internal and external data movement occurs 8 bits at a time.