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Ilya [14]
3 years ago
7

A banks loan officer writes applications for credit the ratings are normally distributed with a mean of 200 and a standard devia

tion of 50 fine P 60 the score which separates the lower 60% from the top 40% round to 1 Decimal Pl.
Mathematics
1 answer:
aksik [14]3 years ago
7 0

Answer:

212.7

Step-by-step explanation:

Calculation to Find P60 the score which separates the lower 60% from the top 40%

First step is to find z of 60% using the invNorm distribution

Hence,

z=0.6=0.2533

Now let Find P60 which is the score which separates the lower 60% from the top 40% using this formula

x<=>z

Where,

Standard deviation=50

Mean=200

z=0.2533

Let plug in the formula

x=0.2533*50+200

x=12.665+200

x=212.665

x=212.7(Approximately)

Therefore the score which separates the lower 60% from the top 40% is 212.7

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A set of composite number less than 12.Express it in listing and set-builder methods
Ivanshal [37]

composite numbers less than 12={1,3,4,6,8,9,10}

7 0
3 years ago
On a certain hot summer day, 673 people used the public swimming pool. The daily prices are 1.75 for children and 2.00 for adult
amid [387]

Answer:

Number of children = 386

Number of adults = 287

Step-by-step explanation:

Let

x = number of children

y = number of adults

x + y = 673 (1)

1.75x + 2y = 1249.50 (2)

From (1)

x = 673 - y

Substitute x = 673 - y into (2)

1.75x + 2y = 1249.50

1.75(673 - y) + 2y = 1249.50

1177.75 - 1.75y + 2y = 1249.50

- 1.75y + 2y = 1249.50 - 1177.75

0.25y = 71.75

y = 71.75/0.25

y = 287

Substitute y = 287 into (1)

x + y = 673

x + 287 = 673

x = 673 - 287

x = 386

Number of children = 386

Number of adults = 287

3 0
3 years ago
Please help fast the bottom one I’ll give brainless an extra points for correct answer
sergiy2304 [10]

Answer:

2*2*2*3*3*7

Step-by-step explanation:

prime facotrization = 2^3 x 3^2 x 7^1

2 x 2 x 2 x 3 x 3 x 7 = 504

8 0
2 years ago
Help me please ( on the image )
Mrac [35]

Answer:

\frac{\pi}{3} radians

Step-by-step explanation:

Number of hours on a clock = 12

Since, measure of a circle at the center = 360°

Measure of central angle formed by the arc between each number (representing hours) = \frac{360}{12}

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Central angle formed by the arc intercepted by the hands of the clock at 8:00 = 4 × 30°

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Therefore, angle measure in radians = \frac{\pi }{360}\times (120^0)

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Angle formed by the hands of the clock at 8:00 = \frac{\pi}{3} radians

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3 years ago
Slope intercept form of : y=(2/5)x+7
photoshop1234 [79]
The slope intercept IS y=2/5x+7
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3 years ago
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