Answer: unbiased; simple random sampling
Step-by-step explanation:
From the question, we are informed that John wanted to know about the popularity of a particular movie and that he surveyed 20% of the people in 5 different theaters.
This is an unbiased sample. This is because everybody at the theaters have an equal chance of being chosen by John.
Also, it's a simple random sampling. This is because a subset of the entire population is randomly selected.
I Think The answer is d I hope it helps Message Me if I’m wrong and I’ll change My answer and fix it for you
A nautical mile<span> is based on the circumference of the planet Earth. It is 1.15078 miles or 6076.12 feet or 1.852 kilometers
A mile is </span>a unit of linear measure equal to 5,280 feet, or 1,760 yards (approximately 1.609 kilometers).<span />
Answer:
p(x) = A(x - 4i)(x + 4i)(x - 3)(x + 3), with A = 1.
it matches
Using parenthesis, we want to add 25 and 9 first before dividing.
170/ (25+9)
