4150 people show up to watch the tiger eat on most days. Today there were 15% few people. How many people were there today?

Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below

BARSIC [14]

Answer:

Due to the higher Z-score, Demetria should be offered the job.

Step-by-step explanation:

Z-score:

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

In this question:

Whichever applicant had grade with the highest z-score should be offered the job.

Demetria got a score of 85.1; this version has a mean of 61.1 and a standard deviation of 12.

For Demetria, we have $X = 85.1, \mu = 61.1, \sigma = 12$ . So

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{85.1 - 61.1}{12}$

$Z = 2$

Vincent got a score of 299.2; this version has a mean of 264 and a standard deviation of 22.

For Vincent, we have $X = 299.2, \mu = 264, \sigma = 22$ .

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{299.2 - 264}{22}$

$Z = 1.6$

Tobias got a score of 7.26; this version has a mean of 7.1 and a standard deviation of 0.4.

For Tobias, we have $X = 7.26, \mu = 7.1, \sigma = 0.4$ .

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{7.26 - 7.1}{0.4}$

$Z = 0.4$

Due to the higher Z-score, Demetria should be offered the job.

3 0

3 years ago

What is m2 + m 23? Pls I need ASAP

alisha [4.7K]

Answer:

90 degrees

Step-by-step explanation:

the answer is 90 degrees because when the triangle is a right triangle, the two smaller angles equal 90 degrees.

6 0

3 years ago

Find the surface area

Zinaida [17]

Answer:5400

Step-by-step explanation:

A= 6a*2

6x9x10*2= 5400

4 0

3 years ago

PLEASE HELP ILL GIVE BRAINLIEST!!List the sides of ∆DEF in order from shortest to longest if m∠D = 20, m∠E = 120, and m∠F = 40.

zvonat [6]

Answer:

In triangle DEF:

Given: $m\angle D = 20^{\circ}$ , $m\angle E= 120^{\circ}$ and $m\angle F = 40^{\circ}$

To list the sides of a triangle in order from shortest to longest.

In the Figure as shown below :

If one of the angle of a triangle is larger than, then the sides opposite the larger angle is longer than the side opposite to the shorter

$m\angle D < m\angle F < \angle E$

$\text{EF} < \text{DE}$

Therefore, the list of the sides of a triangle DEF in order from shortest to longest is, $\text{EF} < \text{DE}$

7 0

3 years ago

Read 2 more answers

For selling his studio apartment, Martin had to pay the real estate agent a commission of 5%. The studio sold for $95,000. What

Sergeu [11.5K]

The other answer is wrong, but I’d appreciate brainliest:

To answer it: commission = sell price * commission rate
Commission = 95000 * 0.05
Commission = $4750

7 0

3 years ago