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2 years ago

5

The histogram below shows the estimated monthly salaries of company employees with different years of experience.

1 answer:

jeka942 years ago

4 0

Answer: The scale on the y-axis overemphasizes the difference in salaries between different experience levels.

Step-by-step explanation:

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A committee of 9 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the pro

dsp73

Answer:

The required probability is $P(x)=\frac{9}{128}$ or $P(x)=0.0703125$ .

Step-by-step explanation:

Consider the provided information.

A committee of 9 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis,

The probability of yea or nay vote is equal, = $\frac{1}{2}$

So, we can say that $p=q=\frac{1}{2}$

Use the formula: $P(x)=\binom{n}{x}p^xq^{n-x}$

Where n is the total number of trials, x is the number of successes, p is the probability of getting a success and q is the probability of failure.

We want proposal wins by a vote of 7 to 2, that means the value of x is 7.

Substitute the respective values in the above formula.

$P(x)=\binom{9}{7}(\frac{1}{2})^7(\frac{1}{2})^{9-7}$

$P(x)=\frac{9!}{7!2!}(\frac{1}{2})^7(\frac{1}{2})^{2}$

$P(x)=\frac{8\times9}{2}\times(\frac{1}{2})^9$

$P(x)=\frac{4\times9}{2^9}$

$P(x)=\frac{9}{2^7}$

$P(x)=\frac{9}{128}$ or $P(x)=0.0703125$

Hence, the required probability is $P(x)=\frac{9}{128}$ or $P(x)=0.0703125$ .

4 0

3 years ago

BRAINLIEST AVAILABLE!!!!<br><br> PLEASE HELP ME WITH THIS!!!<br> Thanks to all helpers!!!!!

larisa [96]

Answer: B

<u>Step-by-step explanation:</u>

-10x² + 12x - 9 = 0

a=-10, b=12, c=-9

x = $\frac{-b+/-\sqrt{b^{2}-4ac}} {2a}$

= $\frac{-12+/-\sqrt{12^{2}-4(-10)(-9)}} {2(-10)}$

= $\frac{-12+/-\sqrt{144-360}} {-20}$

= $\frac{-12+/-\sqrt{-216}} {-20}$

= $\frac{-12} {-20}$ +/- $\frac{\sqrt{-216}} {-20}$

= $\frac{3} {5}$ +/- $\frac{6i\sqrt{6}} {-20}$

= $\frac{3} {5}$ +/- $\frac{3i\sqrt{6}} {10}$

3 0

3 years ago

Read 2 more answers

A wheel has a radius of 5 ft what is the minimum number of complete revolutions that the wheel must make it to roll at least a 1

stealth61 [152]

If the radius is 5 ft, the circumference is 10 pi or about 31.4

1000 divided by 31.4 = 31.8

So, it should make a minimum of 32 revolutions to reach 1000 feet.

6 0

3 years ago

Read 2 more answers

Plz help!!!!!!!!!!!!!

vaieri [72.5K]

Answer: The correct answer is -2,5/2 which is the last answer.

Step-by-step explanation:

* Hopefully the work below helps:)Mark me the brainliest:)!!

6 0

3 years ago

Read 2 more answers

A group of 24 students have recess together. They are making teams to play a game. Each team has to have exactly 5 players, and

NARA [144]

Answer:

With 24 players you can only make 4 teams with 5 players each. There will be 4 students left.

Step-by-step explanation:

Divide 24 by 5. Your answer will be 4 with a remainder of 4.

4 0

2 years ago