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# Determine the mean number of credit cards based on the raw data. (b) Determine the standard deviation number of credit cards based on the raw

Determine the mean number of credit cards based on the raw data. (b) Determine the standard deviation number of credit cards based on the raw data. (c) Determine a probability distribution for the random variable, X, the number of credit cards issued to an individual. (e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c). (f) Determine the probability of randomly selecting an individual whose number or credit cards is more than two standard deviations from the mean. Is this result unusual? (g) Determine the probability of randomly selecting two individuals who are issued exactly two credit cards. [Hint: Are the events independent?] Interpret this result. Interpret this result. Select the correct choice below and fill in the answer box within your choice. O A. Whenever a couple applies for credit cards, the probability that they will each obtain exactly two credit cards is____ (Round to three decimal places as needed.) O B. If two individuals were randomly selected surveyed 100 different times, the surveyors would expect about of the surveys to result in two people with exactly two credit cards. (Round to the nearest whole number as needed.) © C. Whenever multiple people are surveved, the probability that the mean number of credit cards will be exactly two is_____ (Round to three decimal places as needed.) O D. If an individual is chosen at random, the probability that they have exactly two credit cards is_____ (Round to three decimal places as needed.)

## D 2 2423216217 3 6 5332423214 3242372332 15423393 5337322442 3822145133 333244211 2382033413 10 252220323- 2 5 3232523245 3 1 1 Credit Card Survey Results

## Step by Step Solution

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### Step: 1

a Mean The mean is the sum of all the values divided by the number of valuesIn this casethe number of credit cards for each person is listed 322333523222521043342103423352 There are 28 entries individ...### Get Instant Access to Expert-Tailored Solutions

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### Step: 2

### Step: 3

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