Josephine noticed that out of 10 e-mails she received, 7 were advertisements. What can she predict about the number of advertisements she will receive in the next 100 e-mails?

Answers

Answer 1

Answer:

Josephine will receive approximately 70 advertisements in the next 100 e-mails she receives.

What is the probability?

The possibility of an event in time is known as probability in mathematics. How frequently does the incidence occur over the course of a specific time period, in plain English?

If Josephine received 7 advertisements out of 10 e-mails, then we can say that the probability of receiving an advertisement in a single e-mail is 7/10 or 0.7.

Assuming that the probability of receiving an advertisement in an e-mail remains the same for all e-mails, we can use this probability to make a prediction about the number of advertisements she will receive in the next 100 e-mails.

The expected number of advertisements in 100 e-mails can be calculated by multiplying the probability of receiving an advertisement in a single e-mail by the total number of e-mails:

Expected number of advertisements = probability of an advertisement x total number of e-mails

= 0.7 x 100

= 70

Therefore, based on the given information, we can predict that Josephine will receive approximately 70 advertisements in the next 100 e-mails she receives.

To learn more about the probability;

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Answer 2

Answer: She can expect 70 to be ads since there is 10 times more emails so 7 times 10 is 70 so 70 ads

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"I am thinking of a number 3
_
4

Of my number is 12
Work out 5 times my number. You must show your working "

Answers

The number is 16.

I know this cause 4 can go into 16 four times. I now do 4 x 3 which is 12

12/3=4 And 4 times 4 equals 16. Therefore, your number is 16. And 16 multiplied by five equals 80.

3
16
*
5
__

80

What is the slope that is perpendicular to the line 4x-6y=12?.?.

Answers

Answer:

It might be -2/3

I tried doing the way I did in school but also on ---- and got the same answer so sorry if it's wrong

Answer:

-3/2

Step-by-step explanation:

4x-6y=12

-6y=12-4x

6y=4x-12

y=2/3x-2

Slope= 2/3

Perpendicular Slope= -3/2

The perpendicular line's slope is the opposite reciprocal of the original slope, so you answer is -3/2.

Janine has 93 beads. She uses 7 beads for each bracelet. She makes as many bracelets as possible. How many beads will Janine have left over?

Answers

The remainder of 93÷7 is 21 with a remainder of 2.

She will make 21 bracelets and have 2 beads remaining.

A shopper thought shoes marked $40 the sales tax is 8% how much the shopper pay in all

Answers

so, if I understand correctly the prize before sales tax is 40 dollars and the sales tax is 8%. how much is this?

$(8)/(100) *40= (8)/(10) *4=(4)/(5) *4= (16)/(5) =3.2$

so the final prize is 40+3.2=43.2

4/3v^2x -5/6vx^3 what is this answer for algebra

Answers

$(4)/(3) v^2x - (5)/(6) vx^3$

$(4)/(3) v^2x + (-5)/(6) vx^3$

Answer: $(-5)/(6) vx^3 + (4)/(3) v^2x$

$(4)/(3v^(2)x) - (5)/(6vx^(3)) = (5(3v^(2)x))/((3v^(2)x)(6vx^(3))) - (4(6vx^(3)))/((3v^(2)x)(6vx^(3))) = (15v^(2)x)/(18v^(3)x^(4)) - (24vx^(3))/(18v^(3)x^(4)) = (15v^(2)x - 24vx^(3))/(18v^3x^(4)) = (5v)/(6x^(2)) - (4)/(3v^(2)x)$

At noon the temperature was -4° C. Over the next two hours the temperature dropped another 11 degrees. Then every hour until 7:00 the temperature rose 3 degrees. What was the temperature at 7:00

Answers

I think it’s 0 degrees

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