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3 years ago

Which of the following are congrunce transformation

Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

4 0

Answer:

what are the choices cause i cant answer without them

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A company with n employees publishes an internal calendar, where each day lists the employees having a birthday that day. What i

lutik1710 [3]

Answer: $1-(\frac{364}{365})^n$

Step-by-step explanation:

Binomial probability formula :-

$P(x)=^nC_xp^x(1-p)^x$ , where P(x) is the probability of getting success in x trials, n is the total number of trials and p is the probability of getting success in each trial.

We assume that the total number of days in a particular year are 365.

Then , the probability for each employee to have birthday on a certain day :

$p=\dfrac{1}{365}$

Given : The number of employee in the company = n

Then, the probability there is at least one day in a year when nobody has a birthday is given by :-

$P(x\geq1)=1-P(x$

Hence, the probability there is at least one day in a year when nobody has a birthday = $1-(\frac{364}{365})^n$

5 0

3 years ago

P = 2m + 2w solve for m

nirvana33 [79]

P = 2m + 2w

Add -2w on both sides of the equations

2m = p - 2w

Divide both sides by 2

2w = p = 2m
/ 2 /2

m = 1 / 2 p - w

5 0

3 years ago

Read 2 more answers

PLEASEE IF YOU COULD ANSWER 5 QUESTIONS WILL BE HELPFULL

Firdavs [7]

The answer to 1. (1, -2)
The answer to 2. (-2, -2)
The answer to 3. (4, -1/2)
The answer to 4. (3, -1/2)
The answer to 5. No solution.

8 0

3 years ago

Read 2 more answers

THIS IS URGENT I NEED HELP ASAP.(9x 10^-3)^2

lora16 [44]

Answer:a

Step-by-step explanation:

u pick the right one

6 0

4 years ago

Select the correct answer from each drop-down menu.

Ket [755]

Answer:

Correlation coefficient ≈ 0.9445

This indicates that the weight of a student increases as the height of the student increases.

Step-by-step explanation:

The rest of the question is the following table

value of x (<u>height</u>) are 58, 59, 60, 62, 63, 64, 66, 68, 70

Value of y (<u>weight</u>) are: 122, 128, 126, 133, 145, 136, 144, 150, 151

=======================================================

To calculate the correlation coefficient we will use the following form:

$r = \frac{n(\sum xy)- (\sum x)(\sum y)}{\sqrt{n\sum x^2 - (\sum x)^2} \sqrt{n\sum y^2-(\sum y)^2} }$

So, n (the number of terms) = 9

∑x = 570, ∑y= 1236, ∑ x²= 36234, ∑ y²= 170694 and ∑xy=78617

So, the correlation coefficient =

$r = \frac{9\times 78617- 570\times 1236}{\sqrt{9\times 36234-(570)^2}\sqrt{9\times 170694-(1236)^2}}\\$

∴ r = 0.9445

So, weight of a student increases as the height of the student increases.

5 0

3 years ago

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