Mathematics, 20.09.2021 14:00 theoriginalstal9245

Suppose that a customer service center claims that the telephone calls it receives last 114 seconds on average with a standard deviation of 9 seconds.
If you took a sample of 324 telephone calls, which of the following mean
times would be within the 95% confidence interval?

A. 114.5 seconds
B. 117.5 seconds
C. 115.5 seconds
D. 116.5 seconds

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:20

Which of the following is the result of expanding the series

Answers: 1

Answer

Mathematics, 21.06.2019 23:00

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

Answers: 2

Answer

Mathematics, 22.06.2019 02:30

Which statement illustrates the distributive property?

Answers: 2

Answer

Mathematics, 22.06.2019 03:10

Which function has an inverse that is also a function? a.{(-4,3), (-2, 7), (-1,0), (4, -3), (11, -7)} b.{(-4, 6), (-2, 2), (-1, 6), (4,2), (11, 2)} c.{(-4,5), (-2, 9), (-1,8), (4, 8), (11,4)} d.{(-4,4), (-2, -1), (-1,0), (4, 1), (11, 1)}

Answers: 3

Answer

You know the right answer?

Suppose that a customer service center claims that the telephone calls it receives last 114 second...

Questions

Mathematics, 17.07.2019 16:20

kane manufacturing has a division that produces two models of fireplace grates, x units of model a and y units of model b. to produce each model a gra...

Computers and Technology, 17.07.2019 16:20

Which of the following statements is true? a. in order to lease cloud-based it resources, a cloud consumer’s up-front investment costs must increase...

Computers and Technology, 17.07.2019 16:20

The following equations estimate the calories burned when exercising (source): men: calories = ( (age x 0.2017) — (weight x 0.09036) + (heart rate x...

Mathematics, 17.07.2019 16:20

more than half of an average home’s energy is used to heat and cool indoor air. if conditioned air escapes, or if the home is made out of materials th...

Mathematics, 17.07.2019 16:20

let a = {1,3,5,7,9}, b= {3,6,9}, and c= {2,4,6,8}. which one of the following is correct, is answer a or b correct? a) (a ? b) ?...

Mathematics, 17.07.2019 16:20

answer this question as soon as possible (discrete math question) 1. let = { ∈ ℤ| = + 4 for some integer }, = { ∈ ℤ| = −2 for some integer b...

Mathematics, 17.07.2019 16:20

question 1 a county reports 250 deaths with a population of 500,000. what is the mortality rate? for the same month last year, the mortal...

Mathematics, 17.07.2019 16:20

reduce the negations for all of the following: 3) ~ (a < --> b) 4) (~a & ~b) & (~c v ~d) 5) a --> (b v ~c)

Mathematics, 17.07.2019 16:20

me quickly round up to nearest 1/100th 8% of 85,360 = 5 ½% of 2,100 = 115.50 i did one but not sure if this is correct. i had...

Mathematics, 17.07.2019 16:20

let a={1,2,3,4,5,6}.a={1,2,3,4,5,6}. find all sets b∈p(a)b∈p(a) which have the property {2,3,5}⊆b. find an example of sets aa and bb such that |...

Business, 17.07.2019 16:20

The plastic flowerpots company has two manufacturing departments, molding and packaging. at the beginning of the month, the molding department has 2,0...

Mathematics, 17.07.2019 16:20

the process by which the bureaucracy produces what is effectively legislation is called a. rule-making. b. administrative di...

Mathematics, 17.07.2019 16:20

solve the initial value problem dx/dt−5x=cos(2t) with x(0)=4 x(t)=?...

Computers and Technology, 17.07.2019 16:20

show how to solve the average-case recurrence for quicksort...

Mathematics, 17.07.2019 16:20

only looking for mathematical solution, not interested in excel work you are given that all conditions for put-call parity are satisfied. the fo...

Mathematics, 17.07.2019 16:20

solve the ivp: y’’ - 9y’ + 9y = 0 where: y(0) = -2 and y’(0) = 3...

Mathematics, 17.07.2019 16:20

prove by using the techniques of the smallest counterexamplethat n! ≤ n^n for all positiveintegers n....

Mathematics, 17.07.2019 16:20

provide a diagram of w5, the wheel graph with 5 vertices, with the vertices labeled v5 and the edges labled e8. (a) find a, the adjacency matr...

Mathematics, 17.07.2019 16:20

the question is from the subject discrete math how many 6-element subsets of a = {0,1,2,3,4,5,6,7,8,9} have exactly three even elements?...

Mathematics, 17.07.2019 16:20

the correct conversion from metric system to household system is a. 5 ml equals 1 tablespoon b. 15 ml equals 1 teaspoon c. 30 ml equ...

More questions: Mathematics Another questions