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VladimirAG [237]
3 years ago
11

There is a .02 probability that a customer's Visa charge will be rejected at a certain Target store because the transaction exce

eds the customer's credit limit. What is the probability that the first such rejection occurs within the first 20 Visa transactions?
a. .1362
b. .4000
c. .3324
d. .4538
Mathematics
1 answer:
lara31 [8.8K]3 years ago
8 0

Answer:

c. 3324

Step-by-step explanation:

We need to use the formula of Geometric CDF with π =0.02

P(x≤20) = 1 - (1-0.02)^20

P(x≤20) = 1 - (0.98)^20

P(x≤20) = 1 - (0.98)^20

P(x≤20) = 1 - 0.6676

P(x≤20) = 0.3324

Therefore the probability that the first such ejection occurs within the first 20 Visa transactions is 0.3324

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Convert 31 minutes to seconds​
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Answer:

Step-by-step explanation: 1,860 Seconds Is Equal To 31 Minutes Hope It Helped

6 0
4 years ago
How would i simplify 34/4?
Temka [501]
34/4=17/2
~~~~~~~~
34:2=17
4:2=2
Have a nice day!! ^^
4 0
3 years ago
Read 2 more answers
Can some1 help? im a little confused:(
fgiga [73]

Answer:

16

Step-by-step explanation:

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4 0
3 years ago
Solve for x<br> 35+.8x=43-7x
Vinvika [58]

Answer:

x = 1.02564

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

35 + 0.8x = 43 - 7x

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Addition Property of Equality] Add 7x on both sides:                                 35 + 7.8x = 43
  2. [Subtraction Property of Equality] Subtract 35 on both sides:                    7.8x = 8
  3. [Division Property of Equality] Divide 7.8 on both sides:                             x = 1.02564
7 0
3 years ago
R(x)=x(65-3x)
Schach [20]

Answer: P(x) = -3x^2 + 49x - 105

Step-by-step explanation:

The revenue accrued is the total income from sales or services rendered irrespective of the cost of purchase, production or rendering of the service. It means that revenue is the sum of cost and and profit.

From the information given, the revenue is expressed as a function,

Revenue = R(x)=x(65-3x) = 65x - 3x^2

The cost function is expressed as

C(x)=105+16x

Revenue = Profit + Cost

Therefore,

R(x) = P(x) + C(x)

65x - 3x^2 = P(x) + 105+16x

P(x) = -3x^2 + 65x - 16x - 105

P(x) = -3x^2 + 49x - 105

7 0
3 years ago
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