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hichkok12 [17]
3 years ago
15

Charlotte borrows $9000 to buy a second-hand car. The loan must be repaid

Mathematics
1 answer:
QveST [7]3 years ago
8 0

Answer:

$13,400

Step-by-step explanation:

Simple Interest = principal × rate × time

principal= $9000

Rate= 12/100=0•12

Time=5years

Simple interest =PRT

= 9000× 0•12 × 5

= 5400

Total amount to be paid = 9000 + 5400

= $13400

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The number of pieces of mail that a department receives each day can be modeled by a distribution having mean 44 and standard de
saveliy_v [14]

Answer:

Step-by-step explanation:

Assuming a normal distribution for the number of pieces of mail that a department receives each day, the formula for normal distribution is expressed as

z = (x - u)/s

Where

x = number of pieces of mail

u = mean

s = standard deviation

From the information given,

u = 44

s = 8

We want to find

P(x lesser than or 40) or P(x greater than 48)

For P(x lesser than or 40)

For x = 40,

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For x = 48,

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Looking at the normal distribution table, the corresponding value of the z score is 0.69146

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The probability that the sample mean will be less than 40 or greater than 48 using is

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7 0
3 years ago
This question relates to concepts covered in Lectures 1 & 2. You can use any of the excel files posted to work through the q
liubo4ka [24]

Answer:

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To find the mean of this demand distribution;

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3 years ago
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Artyom0805 [142]

Answer:

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Step-by-step explanation:

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Morgarella [4.7K]

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