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Arisa [49]
3 years ago
6

Cathy is planning to take the Certified Public Accountant Examination (CPA exam). Records kept by the college of business from w

hich she graduated indicate that 73% of students who graduated pass the CPA exam. Assume that the exam is changed each time it is given. Let n = 1, 2, 3, ... represent the number of times a person takes the CPA test until the first pass. (Assume the trials are independent).
(a) What is the probability that Cathy passes the CPA test on the first try?
(b) What is the probability that Cathy passes the CPA test on the second or third try?
Mathematics
1 answer:
denpristay [2]3 years ago
3 0

Answer:

The responses to these question can be defined as follows:

Step-by-step explanation:

For point a:

\to P(1) = 0.73

For point b:

\to P(2\ or\ 3) = P(2) + P(3)

                    = 0.27 \times 0.73 + 0.27\times 0.27\times0.73\\\\=0.1971+0.1971\times 0.27\\\\=0.1971+0.053217\\\\=0.250317

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Mandarinka [93]

Answer:

A) 1020 cm²

Step-by-step explanation:

8 sides

2[(½×15×16.4) + (½×10×17.3) + (½×15÷23.8) + (½×10×24.2)]

2(510)

1020 cm²

7 0
3 years ago
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If 7a+20b=28-b,what is the value of a in terms of b?
shusha [124]
7a+20b = 28-b
7a = 28-b-20b
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6 0
3 years ago
A copy machine makes 36 copies per minute. how many copies does it make in 3 minutes and 45 seconds
Gemiola [76]
A copy machine makes 36 copies in a minute (1).

Multiply 36 copies by 3.75 (3 min and 45 sec) to find how many copies it can make within that time.
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The copy machine can make 135 copies in 3 minutes and 45 seconds.
5 0
4 years ago
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the shop has 1260 ounces of cranberry juice and 650 ounces of passion fruit juice.ifvthe juices are used to make crazy cranberry
mr_godi [17]
Given:
Each smoothie requires 20 ounces of cranberry juice and 10 ounces of passion fruit.
There are 1260 ounces of cranberry juice.
There are 650 ounces of passion fruit juice.

For the maximum servings of the smoothie, let
x = the number of 20-ounce cranberry juice used,
y = the number of 10-ounce passion fruit juice used.

The cranberry juice runs out when
20x = 1260
x = 63  servings 

The passion fruit juice runs out when
10y = 650
y = 65 servings

Because x reaches, the cranberry juice runs out first after 63 servings of the smoothie.
There will be two 10-ounces = 20 ounces of the passion fruit left.

Answer: 
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(b) There will be 20 ounces of the passion fruit left over.
3 0
3 years ago
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The sales tax is 5 percent what is the tax on an item that cost $24
iris [78.8K]

Answer:

$25.20

Step-by-step explanation:

5% of 24 = 1.20

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24+1.20= 25.20

6 0
3 years ago
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