Mathematics, 20.03.2020 05:05 lizzyhearts
A sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 54% of the chips do not fail in the first 1000 hours of their use. The quality control manager wants to test the claim that the actual percentage that do not fail is different from the stated percentage. Find the value of the test statistic. Round your answer to two decimal places.
Answers: 1
Mathematics, 21.06.2019 17:30
Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.
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Mathematics, 21.06.2019 18:40
Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?
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Mathematics, 21.06.2019 23:00
Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
Answers: 1
Mathematics, 21.06.2019 23:30
Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.
Answers: 3
A sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours o...
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