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sergeinik [125]
2 years ago
14

Lawrence has $50.

Mathematics
1 answer:
timofeeve [1]2 years ago
7 0
<h2>A is the correct answer!</h2><h3></h3><h3>50 - 10 = 40</h3><h3>40 ÷ 12 = 3 R4 (I hate using remainder but I have to for this problem)</h3><h3>He can not buy more than 3 shirts.</h3><h3>So, he can buy less than 3 or equal to 3.</h3><h3></h3><h3><em>Please let me know if I am wrong.</em></h3>
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Match each concept with its key characteristic.
Crank

1. It is the subset of a group  - Group sample.

2. It equally favors all members of a group sample   - Random sample.

3. It collects data on members of a group  -  Survey.

4. It does not equally favor all members of a group - Biased sample.

5. It includes all members of a group   -  Population.

6. It analyzes data collected from a group - Mean.


I have matched all concepts in accordance with statistical use, hope it helps.


6 0
2 years ago
The annual salaries of all employees at a financial company are normally distributed with a mean of $34,000 and a standard devia
Alla [95]

Answer:

z=5

Step-by-step explanation:

We have been given that the The annual salaries of all employees at a financial company are normally distributed with a mean of $34,000 and a standard deviation of $4,000.

To solve our given problem we will use z-score formula.

z=\frac{x-\mu}{\sigma} where,

z=\text{z-score},

x=\text{Sample score},

\mu=\text{Mean},

\sigma=\text{Standard deviation}

Upon substituting our given values in z-score formula we will get,

z=\frac{54,000-34,000}{4,000}

z=\frac{20,000}{4000}

z=5

Therefore, the z-score of a company employee who makes an annual salary of $54,000 is 5.

4 0
2 years ago
Read 2 more answers
The equation 1.5r+15=2.25r1.5r+15=2.25r represents the number rr of movies you must rent to spend the same amount at each movie
Lelu [443]
1.5r+15=2.25r
Combine like terms: 1.5r+15-1.5r=2.25r-1.5r
15=0.75r
Get the unknown alone: 15/.75=.75/.75r
20=r or r=20 :)

7 0
2 years ago
A rectangle has a length that is 5 inches greater than its width, and its area is 104 square inches. The equation (x + 5)x = 104
Bingel [31]

Answer:

x2 + 5x – 104 = 0

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A shipment of ball bearings with a mean diameter of 25 mm and a standard deviation of 0.2 mm is normally distributed. By how man
Svetach [21]
You need to calculate how many times the required difference is of the standard deviation, i.e. the ratio difference / standard deviation.


These are the calculations:


Standard deviation = 0.2 mm


Difference between 25.6mm and the mean = 25.6mm - 25mm = 0.6 mm


Ratio difference / standard deviation = 0.6mm / 0.2 mm = 3.


Then, the answer is that a ball with a diameter of 25.6 mm differs 3 standard deviations from the mean.
6 0
2 years ago
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