Acivil service exam yields scores with a mean of 81 and a standard deviation of 5.5. using chebyshev's theorem what can we say about the percentage of scores that are above 92? select one: a. at most 12.5% of the scores are above 92. b. at most 25% of the scores are above 92. c. at least 75% of the scores are above 92. d. at least 25% of the scores are above 92.

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

triangle and cube

step-by-step explanation:

well we know there are 4 clubs in 52 cards so it’s replaced so it should be 3/51

step-by-step explanation: