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stealth61 [152]
3 years ago
10

Historically, 74% of credit card users carry a balance from month-to-month. A certain credit card company would like to study th

e spending patterns of its cardholders in more detail and to start the analysis, takes a random sample of 140 cardholders. What is the probability more than 72% of these cardholders are carrying a balance
Business
1 answer:
Hoochie [10]3 years ago
3 0

Answer:

The probability more than 72% of the cardholders are carrying a balance is 0.2946

Explanation:

Test statistic (z) = (p' - p) ÷ sqrt[p(1-p) ÷ n]

p' is the sample proportion = 0.72

p is the population proportion = 0.74

n is the number of cardholders sampled = 140

z = (0.72 - 0.74) ÷ sqrt[0.74(1-0.74) ÷ 140] = -0.02 ÷ 0.037 = -0.54

The cumulative area of the test statistic is the probability that less than 72% of the cardholders are carrying a balance. The probability is 0.7054.

Probability (more than 72% of the cardholders are carrying a balance) = 1 - 0.7054 = 0.2946

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Answer:

Supervised and Unsupervised Learning:

a. Unsupervised learning

b. Supervised learning

3. Supervised learning

4. Unsupervised learning

Explanation:

The key difference between supervised machine learning and unsupervised machine learning is that with supervised machine learning there is a training dataset (labeled data) on which the algorithm is trained to predict patterns.  With unsupervised machine learning on the other hand, there is no training data.  So, the algorithm discovers patterns on itself without reference to another labeled data or training dataset.

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What are you paying for when you lease a car? A.the purchase price of the car
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D

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Read 2 more answers
You plan to make a series of deposits in an interest-bearing account. You will deposit $1,000 today, $2,000 in 2 years, and $8,0
solniwko [45]

Answer:

$5,641

Explanation:

DEPOSIT NOW  

$1000 * FVIF 9%,8 PERIODS

= $1000 * 1.9926

= $1992.6

IN 2 YEARS

= $2000 * FVIF 9%,6 PERIODS

= $2000 * 1.6771

= $3354.20

IN 5 YEARS

= $8000 * FVIF 9%, 3 PERIODS

= $8000*1.2950

= $10360

WITHDRAWAL: IN 3 YEARS

= ($3000) * FVIF 9%, 5 PERIODS

= ($3000) * 1.5386

= ($4615.80)

IN 7 YEARS

= ($5000) * FVIF 9%, 1 PERIOD

= ($5000) * 1.0900

= ($5450)

Total value = $1992.6  + $3354.20 + $10360  - $4615.80 - $5450

Total value = $5,641

So, the total future value after eight years is $5,641

7 0
2 years ago
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