In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores fall between 70 and 82. What are the mean and standard deviation for this data? Standard Normal Curve

Mean:

Standard Deviation:
Submit QuestionQuestion 2

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.

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blogan.20174

explanation:

remove parenthesis:

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apply rule

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multiply fractions:

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divide:

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mordancy.

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