Mathematics, 11.11.2020 02:00 amandasantiago2001

The communication monitoring company Attivio has reported that 91% of e-mail messages are spam. Suppose your inbox contains 25 messages. Assume messages arrive independently and at random. a) What are the mean and standard deviation of the number of real messages you should expect to find in your inbox?
b) What’s the probability that you’ll find only 1 or 2 real messages?

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:00

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Answers: 2

Answer

Mathematics, 21.06.2019 16:20

Which best explains why this triangle is or is not a right triangle?

Answers: 1

Answer

Mathematics, 21.06.2019 18:30

Ineed in figuring out this problem.

Answers: 3

Answer

Mathematics, 21.06.2019 22:30

Sum of the interior angles of a pentagon

Answers: 2

Answer

You know the right answer?

The communication monitoring company Attivio has reported that 91% of e-mail messages are spam. Supp...

Questions

Mathematics, 29.01.2021 19:30

Afton family rp? (im william aftons niece :> also I'm best friends with Chris mike liz and the missing kids I dont like William and my dad is glitc...

History, 29.01.2021 19:30

7. What was the last straw for McCarthy in the eyes of the American public? the discovery of Soviet agents in the United States Army 12/23

Mathematics, 29.01.2021 19:30

3. You want to buy a 2K21 game for your PS5 on Amazon that cost $90.00. 2 points How much tax will you pay if the sales tax is 6.25%...

Mathematics, 29.01.2021 19:30

Really stuck on this one ...

Mathematics, 29.01.2021 19:30

What is the step by step way to solve 3 tan(x) = 2 sin(2x) from (0, 2pi)...

Mathematics, 29.01.2021 19:30

Kevin multiplied 3/7 by a number and the result was greater than 3/7 What could be Kevin's number?...

Mathematics, 29.01.2021 19:30

1. Solve: x + 12 = 32 O 20 0 44 Can someone please help...

Arts, 29.01.2021 19:30

Answer these questions its for drama class 1.How did the stage manager make the production run smoothly? 2.What did you observe about the cue...

History, 29.01.2021 19:30

Which of the following best describes “Prohibition”? * a. The legalization of alcohol b. The ill-legalization of alcohol c. A discount on...

English, 29.01.2021 19:30

Can you write a essay on why cellphones should be freely allowed in a classroom...

History, 29.01.2021 19:30

Are civil liberties important to maintaining a democratic society?I NEED HELP PLZ...

Mathematics, 29.01.2021 19:30

N Write the equation of the line that passes through (5,-6) and has a y-intercept of -2. Hint: What ordered pair is used for...

Mathematics, 29.01.2021 19:30

Simplify the equation 8+2d-7+5d...

History, 29.01.2021 19:30

What practices allowed for the development of big business and what impact did these businesses have on the economy?...

Mathematics, 29.01.2021 19:30

Three less than the product of a number and 7 is greater than or equal to 5...

Mathematics, 29.01.2021 19:30

Why are y’all so petty bro. If I ask a real school related question no one answers but as soon as I ask a off topic question y’all be answering faster...

Social Studies, 29.01.2021 19:30

Heldidisndosndk help ...

Mathematics, 29.01.2021 19:30

Jared works 37.5 hours one week and 15 hours next week. If she earns 314/ hour calculate Betty's total earnings for 2 weeks,...

Mathematics, 29.01.2021 19:30

A music store buys a trumpet for $80. They want to make a 35% profit. How much are they going to increase the price?...

Mathematics, 29.01.2021 19:30

Solve. Check the solution. 18 + g = 38...

More questions: Mathematics Another questions