subject
Mathematics, 30.03.2021 03:40 ineedtopeebeforethec

A sample of six repair records for a different type of fiber optic component was drawn. The repair costs, in dollars, were as follows. 93 97 27 79 81 87 Would it be appropriate to compute a 95% confidence interval for the population standard deviation of the costs

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]
Answers: 2
question
Mathematics, 21.06.2019 22:00
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4
Answers: 2
question
Mathematics, 21.06.2019 22:00
Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
Answers: 2
You know the right answer?
A sample of six repair records for a different type of fiber optic component was drawn. The repair c...
Questions
question
Mathematics, 24.05.2021 23:10