Using Probability: Mastery Test Submit Test
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This table gives sales data for an electronics store in any given month. It lists the probabilities of the number of items purchased in a single
transaction and the average amount spent per transaction.
Number of Items
Purchased in a
Single Transaction
Average
Probability Amount
Spent
0.30 $80
0.43 $70
0.12 $75
0.15 $80
2
3
4 or more
Based on the data provided, which type of transaction is likely to bring in the most income during a month?
ОА
a transaction with one item
B.
a transaction with two items
О с. .
a transaction with three items
OD
a transaction with four or more items
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in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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step-by-step explanation:

you are playing an adventure game on your computer. you come across a troll who won't let you pass and there is no other way to get to the other side of the river except over the bridge he is guarding.

the troll is a nerd. he takes great delight in watching people struggle with his problems. very few get them. he only gives you one chance and then he changes the puzzle. you have to solve this one.

before you are four blocks. they are numbered 11,6, -7,21.

he tells that the answer he wants is minus and between -1 and - 2. you can use +, -, ×, ÷   ( and ) as many times as you like or no times at all. you don't like the way he's looking at you, but you need to cross the bridge. what do you do?