Mathematics, 22.11.2019 22:31, itzia00
The life in hours of a 75-watt light bulb is known to be normally distributed with σ = 25 hours. suppose that you wanted the total width of the two-sided confidence interval on the mean life to be six hours at 95% confidence. what sample size should be used?
Answers: 1
Mathematics, 21.06.2019 13:30, deanlmartin
The soup shack usually makes tomato soup with 99 tomatoes for every 1212 cups of soup. today, they made 88 cups of soup with 66 tomatoes. how does today's soup compare to the usual recipe?
Answers: 2
Mathematics, 21.06.2019 16:30, mildredelizam
Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?
Answers: 3
Mathematics, 21.06.2019 16:50, charlotte67
Which of the following points is collinear with (-2,1) and (0,3)
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Mathematics, 21.06.2019 21:30, stichgotrich849
Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?
Answers: 3
The life in hours of a 75-watt light bulb is known to be normally distributed with σ = 25 hours. sup...
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