subject

Mathematics, 03.03.2021 07:30 hardwick744

When a polling company calls a telephone number at random, there is only a 9% chance that the call reaches a live person and the survey is successfully completed. Suppose the random digit dialing machine makes 15 calls. Let X = the number of calls that result in a completed survey. (a) Calculate and interpret the mean of X.

(b) Calculate and interpret the standard deviation of X

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 20:30

Find the value of x. give reasons to justify your solutions! h ∈ ig

Answers: 1

question

Mathematics, 21.06.2019 20:30

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Answers: 2

question

Mathematics, 21.06.2019 21:00

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

Answers: 1

question

Mathematics, 22.06.2019 02:00

Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white

Answers: 1

You know the right answer?

When a polling company calls a telephone number at random, there is only a 9% chance that the call r...

Questions

question

Business, 16.10.2020 06:01

Deborah Kellogg buys Breathalyzer test sets for the Winter Park Police Department. The quality of the test sets from her two suppliers is indicated in...

question

Computers and Technology, 16.10.2020 06:01

For this assignment, you will use sed, bash, and the other utilities you have used in class (hint: find) to create a program for redacting personally-...

question

Business, 16.10.2020 06:01

Tamarisk Games Inc. adjusts its accounts annually. The following information is available for the year ended December 31, 2022. 1. Purchased a 1-year...

question

Computers and Technology, 16.10.2020 06:01

Write a Python program that verifies the formula with the help of the Python Math module. Note that the trigonometric functions in the module act on t...

question

Mathematics, 16.10.2020 06:01

I earn 770.98(R) every week. I have 385.49(R) since I spent the other half on toys. I want extra items on a game, but it's 1,541.72(R). How long will...

question

Mathematics, 16.10.2020 06:01

During a 60-minute period, a traffic engineer counted 54 trucks and cars that crossed a bridge. The ratio of trucks to cars that travel across the bri...

question

Business, 16.10.2020 06:01

Report topicGather information about a career or position to which you aspire. Learn about the nature of the job. Discover whether certification, a li...

question

Business, 16.10.2020 06:01

The Pet Store experienced the following events for the Year 1 accounting period:. 1. Acquired $60,000 cash from the issue of common stock. 2....

question

Mathematics, 16.10.2020 06:01

Martin is an after school math tutor . He noticed that 6 people still needed help on 2/5 of the tutoring session time was left. Scince each person was...

question

Business, 16.10.2020 06:01

Rivera Company has several processing departments. Costs charged to the Assembly Department for November 2020 totaled $2,283,744 as follows. Work in...

question

Biology, 16.10.2020 06:01

A series of two-point crosses, involving 7 genes (a-g), were carried out, and the following recombination frequencies were obtained. Place the seven g...

question

Mathematics, 16.10.2020 06:01

Whats the answer to number 1 please and thank you? please write down the steps too

question

English, 16.10.2020 06:01

How can you say that mini is a talkative girl in kabuliwala...

question

Advanced Placement (AP), 16.10.2020 06:01

Answer all parts of the question that follows. a) Identify TWO methods that China used to expand its empire after the fall of the Ming dynasty. b) Ide...

question

Biology, 16.10.2020 06:01

An element is made up of how many types of atoms? Question 1 options: An element is made up of three types of atom. An element is not made up of atoms...

question

Engineering, 16.10.2020 06:01

Write a while loop that prints userNum divided by 4 (integer division) until reaching 2. Follow each number by a space. Example output for userNum-160...

question

Mathematics, 16.10.2020 06:01

Ye Olde Coffee Shop sells Colombian Coffee for $9.25 per pound. Brazilian Coffee sells for $7.75 per pound. The management wishes to mix 6 pounds of...

question

Mathematics, 16.10.2020 06:01

a mineralogist is studying a quartz crystal. she uses a computer program to draw a side view of the crystal as shown. she decides to make the drawing...

question

Mathematics, 16.10.2020 06:01

What is the measure of ∠TVU, and why? (4 points) Group of answer choices 125 degrees − y, because Triangle RST is congruent to triangle TUV y over 2,...

question

Social Studies, 16.10.2020 06:01

In cell B7, enter a formula using the function for the Accelerated, or sum-of-the-years' digits (SOYD), depreciation method. a. Use the cell names Co...

More questions: Mathematics Another questions

Questions on the website: 13722360