Mathematics, 18.02.2021 21:10 mt137896
A sample of 1400 computer chips revealed that 47% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 50% 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. Determine the decision rule for rejecting the null hypothesis, H0, at the 0.02 level.
Answers: 1
Mathematics, 21.06.2019 19:30
Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylinβs work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?
Answers: 2
Mathematics, 21.06.2019 21:30
Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.
Answers: 2
Mathematics, 21.06.2019 23:00
Which equation shows y= 3 4 xβ 5 2 in standard form? a 4xβ3y=10 b 3xβ4y=10 c 3xβ4y=β10 d 4xβ3y=β10
Answers: 1
A sample of 1400 computer chips revealed that 47% of the chips do not fail in the first 1000 hours o...
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