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3 years ago

Help me with this, anyone.

Mathematics

2 answers:

slava [35]3 years ago

4 0

Answer: y=13, A. f(x)=13

Step-by-step explanation:

vaieri [72.5K]3 years ago

4 0

Answer:

y=13, A. f(x)=13

Step-by-step explanation:

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The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 256.3 and a standard deviation of

AnnyKZ [126]

Answer:

a) In the interval ( 55,9 ; 456,7 ) we will find 99,7 % of all values

b) In the interval ( 122,7 ; 389,9 ) we find 95,4 % of all values

Step-by-step explanation:

For a Normal distribution N (μ ; σ ) the Empirical rule establishes that the intervals:

( μ ± σ ) contains 68,3 % of all values

( μ ± 2σ ) contains 95,4 % of all values

( μ ± 3σ ) contains 99,7 % of all values

If N ( 256,3 ; 66,8 )

σ = 66,8 ⇒ 3*σ = 3 * 66,8 = 200,4

Then: 256,3 - 200,4 = 55,9

And 256,3 + 200,4 = 456,7

a) In the interval ( 55,9 ; 456,7 ) we will find 99,7 % of all values

b) 2*σ = 2 * 66,8 = 133,6

Then 256,3 - 133,6 = 122,7

And 256,3 + 133,6 = 389,90

Then in the interval ( 122,7 ; 389,9 ) we find 95,4 % of all values

4 0

3 years ago

A coin toss is used to determine which team will receive the ball at the beginning of a football game. The Cougars always choose

monitta

The odds in favor of the Cougars losing the toss in exactly two of three games is 3:8 option second is correct.

<h3>What is probability?</h3>

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

We have:

A coin toss is used to determine which team will receive the ball at the beginning of a football game.

The Cougars always choose tails in the toss.

There will total of 8 cases and in 8 cases there will be three cases in which exactly two heads will come so,

3:8

The cases = {TTT, TTH, THT, HTT, HHT, HTH, HHT, HHH}

Thus, the odds in favor of the Cougars losing the toss in exactly two of three games is 3:8 option second is correct.

Learn more about the probability here:

brainly.com/question/11234923

#SPJ1

8 0

2 years ago

Prasant wants to write a statement that can be represented by the inequality h>4.5 Which describes the correct method to writ

VARVARA [1.3K]

Answer:

Prasant needs more than 4.5 bags of candy to hand out during Halloween.

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Write the equation of circle with diameter of 10 units centered at (- 2, 1) .

kvasek [131]

Answer:

$(x+2)^2 + (y-1)^2 = 25$

Step-by-step explanation:

We want to write the equation of a circle with a diameter of 10 units centered on (-2, 1).

Recall that the equation of a circle has the standard form:

$(x-h)^2 + (y-k)^2 = r^2$

Where (<em>h, k</em>) is the center and <em>r</em> is the radius.

Since our diameter is 10, our radius is 5.

And since the center is at (-2, 1), <em>h</em> = -2 and <em>k</em> = 1.

Substitute:

$\displaystyle (x - (-2))^2 + (y - (1))^2 = (5)^2$

And simplify. Hence, our equation is:

$(x+2)^2 + (y-1)^2 = 25$

7 0

3 years ago

100 Points, EASY MATH QUESTION.

True [87]

Answer:

1/3

Step-by-step explanation:

1/3 because 8/12 + 1/3 is 1 whole

7 0

3 years ago

Read 2 more answers