The first card selected from a standard 52-card deck was a King.
a. If it is returned to the deck, what is the probability that a King will be drawn on the second selection? (Round the final answer to 3 decimal places.)
b. If the King is not replaced, what is the probability that a King will be drawn on the second selection? (Round the final answer to 3 decimal places.)
c. What is the probability that a Ace will be selected on the first draw from the deck and a King on the second draw (assuming that the Ace was not replaced)? (Round the final answer to 4 decimal places.)1 AnswerMathematics12 months ago
Two employees work at a bag cutting machine. Together they pull polymer sheets off a large roll and pass it through an electric wire to sever the plastic. It takes 2.5 seconds to cut one side of a bag and the employees work an average of 40 hours per week. Each employee earns Kenyan Shillings 20,000 per month.
Formula is demand per week (total hours) divided by actual unit production x 100
The chart I have in front of me is like this:
How do you calculate the seconds?1 AnswerMathematics3 years ago
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Some guy messaged me with this:
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Three defective electric toothbrushes were accidentally shipped to a drugstore by Cleanbrush Products along with 13 non-defective ones.
What is the probability the first two toothbrushes sold will be defective? (Round the final answer to 5 decimal places.)
What is the probability the first two electric toothbrushes sold will not be defective? (Round the final answer to 4 decimal places.)1 AnswerMathematics4 years ago