Mathematics, 09.11.2020 16:40 hannah2718

Noise levels at 4volcanoes were measured in decibels yielding the following data:152,157,157,158Construct the 90%confidence interval for the mean noise level at such locations. Assume the population is approximately normal. Step 3 of 4:Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:40, ogiebert

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Answers: 1

continue

Mathematics, 21.06.2019 20:30, nsbegay2007

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Answers: 2

continue

Mathematics, 21.06.2019 20:40, ineedhelp773

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Answers: 2

continue

Mathematics, 21.06.2019 21:30, stace49

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.

Answers: 2

continue

You know the right answer?

Noise levels at 4volcanoes were measured in decibels yielding the following data:152,157,157,158Cons...