Mathematics, 03.04.2020 02:02 orangeicecream
HELPPP PLZZZ IM CRYIN HEL
A card was selected at random from a standard deck of cards. The suit of the card was recorded, and then
the card was put back in the deck. The table shows the results after 40 trials.
Outcome Club Heart Diamond Spade
Number of Trials 9 12 11 8
What is the experimental probability of
drawing a Club in this example?
What is the relative frequency of drawing
a Spade in this example?
What is the theoretical probability of
drawing a Heart?
What is the theoretical probability of
drawing a Club or a Diamond?
What is the difference between
experimental and theoretical probability?
Answers: 3
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Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression
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Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
HELPPP PLZZZ IM CRYIN HEL
A card was selected at random from a standard deck of cards. Th...
A card was selected at random from a standard deck of cards. Th...
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