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Emre Gürman

Emre G.

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Pritesh Ranjan verified

Numerade educator

There are 6 bulbs in a house out which 3 are defective. If 2 bulbs are picked randomly, find the probability that at least one is defective

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Ajiboye Tunde verified

Numerade educator

A proof teaches a large class and has scheduled an examination for 7:00 PM in a different classroom. She estimates the probabilities in the table for the number of students who'll call her at home, in the hour before the examination asking in which classroom the examination will be held. | Number of Calls | 0 | 1 | 2 | 3 | 4 | 5 | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Probability | 0.1 | 0.15 | 0.19 | 0.26 | 0.19 | 0.11 | Find the mean and standard deviation of the number of calls.

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David Nguyen verified

Numerade educator

3. A corporation produces packages of paper clips. The number of clips per package varies as indicated in the table below: Number of Clips, X | 47 | 48 | 49 | 50 | 51 | 52 | 53 Proportion of Packages | 0.04 | 0.13 | 0.21 | 0.29 | 0.20 | 0.10 | 0.03 The cost (in cents) of producing a package of clips is 16 + 2X, where X is the number of clips in the package. The revenue from selling a package, however many clips it contains, is $1.5. If profit is defined as "the difference between revenue and cost", find the mean and standard deviation of profit per package. (Note that 1$ = 100 cents)

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Gershon Kwame Mantey verified

Numerade educator

3. A corporation produces packages of paper clips. The number of clips per package varies as indicated in the table below: \begin{tabular}{|l|l|l|l|l|l|l|} \hline Number of Clips, X & 47 & 48 & 49 & 50 & 51 & 52 \\ \hline Proportion of Packages & \( 0.04 \) & \( 0.13 \) & \( 0.21 \) & \( 0.29 \) & \( 0.20 \) & \( 0.10 \) \\ \hline \end{tabular} The cost (in cents) of producing a package of clips is \( 16+2 X \), where \( X \) is the number of clips in the package. The revenue from selling a package, however many clips it contains, is \( \$ 1.5 \). If profit is defined as "the difference between revenue and cost", find the mean and standard deviation of profit per package. (Note that \( 1 \$=100 \) cents)

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Joshua Argo verified

Numerade educator

3. A corporation produces packages of paper clips. The number of clips per package varies as indicated in the table below: | Number of Clips, X | 47 | 48 | 49 | 50 | 51 | 52 | 53 | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Proportion of Packages | 0.04 | 0.13 | 0.21 | 0.29 | 0.20 | 0.10 | 0.03 | The cost (in cents) of producing a package of clips is 16 + 2X, where X is the number of clips in the package. The revenue from selling a package, however many clips it contains, is $1.5. If profit is defined as "the difference between revenue and cost", find the mean and standard deviation of profit per package. (Note that 1$ = 100 cents)

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Robin Corrigan verified

Numerade educator

2. A proof teaches a large class and has scheduled an examination for 7:00 PM in a different classroom. She estimates the probabilities in the table for the number of students who'll call her at home, in the hour before the examination asking in which classroom the examination will be held. Number of Calls: 0, 1, 2, 3, 4, 5 Probability: 0.1, 0.15, 0.19, 0.26, 0.19, 0.11 Find the mean and standard deviation of the number of calls.

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Ameer Said verified

Numerade educator

3. A corporation produces packages of paper clips. The number of clips per package varies as indicated in the table below: | Number of Clips, X | 47 | 48 | 49 | 50 | 51 | 52 | 53 | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Proportion of Packages | 0.04 | 0.13 | 0.21 | 0.29 | 0.20 | 0.10 | 0.03 | The cost (in cents) of producing a package of clips is 16 + 2X, where X is the number of clips in the package. The revenue from selling a package, however many clips it contains, is $1.5. If profit is defined as "the difference between revenue and cost", find the mean and standard deviation of profit per package. (Note that 1$ = 100 cents)

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Ameer Said verified

Numerade educator

You can insure a $50,000 diamond for its total value by paying a premium of D dollars. If the probability of theft in a given year is estimated to be 0.01; what premium should the insurance company charge if it wants the expected gain to equal $1200.

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Ameer Said verified

Numerade educator

A proof teaches a large class and has scheduled an examination for 7:00 PM in a different classroom. She estimates the probabilities in the table for the number of students who'll call her at home, in the hour before the examination asking in which classroom the examination will be held. Number of Calls: 0, 1, 2, 3, 4, 5 Probability: 0.1, 0.15, 0.19, 0.26, 0.19, 0.11 Find the mean and standard deviation of the number of calls.

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ANSWERED

Ameer Said verified

Numerade educator

You can insure a $50,000 diamond for its total value by paying a premium of D dollars. If the probability of theft in a given year is estimated to be 0.01; what premium should the insurance company charge if it wants the expected gain to equal $1200.

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