A _____ is a function that assigns a numerical value to every possible outcome in a sample space.

1 answer:

swat323 years ago

7 0

The answer is:

A Ramdom variable is a function that assigns a numerical value to every possible outcome in a sample space.

It is a number that represents a result of an event or a random experiment. This variable does not depend on other factors and its values are random, without a specific order. For example: when you roll a dice, the number that you get is a random variable, because in 6 attempts you may get 1,6,4,2,2,5 and then, in another 6 attempts, you may get 3,3, 6,2,1,6.

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Lisa has $200 in her savings account. This is 40% of the money she needs to take a weekend trip. What is the total cost of the t

lapo4ka [179]

The total cost of the trip Lisa wants to take over the weekend is $500.

Let the total cost of the trip be T.

Given the following data:

Savings account balance = $200

Percent of trip expenses = 40%

To determine the total cost of the trip Lisa wants to take over the weekend:

Since the percentage of the money in Lisa's savings account is equal to forty percent (40%) of what is required for the total cost of the trip. Thus, we would multiply the total cost of her trip by 40% and equate it to $200.

Total cost of her trip:

$\frac{40}{100} \times T = 200\\\\0.4T=200\\\\T=\frac{200}{0.4}$

Total cost, T = $500.