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Svetllana [295]
3 years ago
8

PLEASE SOMEONE HELPP PLEASE PLEASE HELP

Mathematics
1 answer:
BartSMP [9]3 years ago
3 0

Answer:

The addition rule for probabilities describes two formulas, one for the probability for either of two mutually exclusive events happening and the other for the probability of two non-mutually exclusive events happening.

The first formula is just the sum of the probabilities of the two events. The second formula is the sum of the probabilities of the two events minus the probability that both will occur.

You might be interested in
Order from least to greatest 387.09, 387.90, 387.009
Anika [276]

Answer:

387.009

387.09

387.90

8 0
3 years ago
Raymond is eight years older than Jeremiah. In 15 years, the sum of their ages will be 96 years. How old is each now?
Ivahew [28]

Answer:

In the present, Jeremiah would be 29 and Raymond, 37. As such, in 15 years, both of them would be 44 and 52 respectively, thus meaning their ages would equal 96.

Step-by-step explanation:

29 + 37 = 66

29 + 15 = 44

37 + 15 = 52

44 + 52 = 96

3 0
3 years ago
The owner of a local nightclub has recently surveyed a random sample of 300 customers of the club. She would now like to determi
trapecia [35]

Answer:

0.0416

Step-by-step explanation:

Given :

Sample size, n = 300

Sample mean, x = 35.5

Population mean, m = 35

Standard deviation, s = 5

The test statistic :

Zstatistic = (x - m) / s/sqrt(n)

Zstatistic = (35.5 - 35) / 5/sqrt(300)

Zstatistic = 0.5 / 0.2886751

Zstatistic = 1.732

Using the p value calculator from Zstatistic :

One tailed P value at 95% confidence interval is : 0.0416

6 0
3 years ago
Enrique can spend at most $2240 to renovate his home. One roll of wallpaper costs $32, and one can of paint costs $28. He needs
umka2103 [35]

The possible solution is having 30 rolls of wallpaper and 20 can of paints or 30 rolls of wallpaper with 46 can of paint.

<h3>Inequality</h3>

Inequality is the non equal comparison of two or more numbers and variables.

Let x represent the number of wallpapers and y represent the number of cans.

He needs at least 30 rolls of wallpaper and at least 20 cans of paint. Hence:

x ≥ 30   (1);

y ≥ 20    (2)

Also:

32x + 28y ≤ 2240    (3)

Plotting the 3 equations using geogebra online graphing tool, the possible solution is:

(30, 20), (30, 46)

The possible solution is having 30 rolls of wallpaper and 20 can of paints or 30 rolls of wallpaper with 46 can of paint.

Find out more on Inequality at: brainly.com/question/24372553

6 0
2 years ago
A company announces that it will be giving 15% of its profits to charity. If the company profits $32,000, how much money will it
tankabanditka [31]

Answer:

$4,800

Step-by-step explanation:

15% of $32,000

15% × 32000

0.15 × 32000 = $4,800

15% of $32,000 is $4,800 which will go to charity :)

6 0
3 years ago
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