Mathematics, 27.03.2020 02:57 summer5716
The following sample of lengths was taken from 8 fluorescent light bulbs off the assembly line. Construct the 95% confidence interval for the population standard deviation for all fluorescent light bulbs tha come off the assembly line. Round your answers to 2 decimal places. 3.4, 3.1, 3.6, 3.3, 2.7, 2.8, 2.4, 3.6Lower endpoint:Upper endpoint:
Answers: 3
Mathematics, 21.06.2019 19:20
Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?
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. joylin’s 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 20:30
Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x
Answers: 2
The following sample of lengths was taken from 8 fluorescent light bulbs off the assembly line. Cons...
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