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Unit 6 math ( 7th grade )
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Gravity
Key Concepts:
Terms in this set (26)
Probability
chance that some event will happen
Outcome
one possible result of a probability
Sample Space
the list of possible outcomes for a probability event.
Random
outcomes that occur at random if each outcome is equally likely to occur.
Simple Event
a specific outcome or type of outcome.
Complementary Event
the events of one outcome happening and that outcomes not happening are complementary; the sum of the probabilities of complementary events is 1.
math
a state in using a sign to solve a problem
signs
things used in math to get the answer to a problem
answer the following questions on the next slide !!!!!!
...
A number is chosen at random from 1 to 10. Find the probability of not selecting a
multiple of 2.
1/2
A number is chosen at random from 1 to 50. Find the probability of selecting
multiples of 24.
1/25
A number is chosen at random from 1 to 50. Find the probability of selecting
numbers less than 17.
8/25
A number is chosen at random from 1 to 25. Find the probability of selecting
an even number.
12/25
A number is chosen at random from 1 to 10. Find the probability of not selecting a
multiple of 3.
7/10
A number is chosen at random from 1 to 10. Find the probability of selecting
an odd number.
1/2
A number is chosen at random from 1 to 10. Find the probability of selecting
a multiple of 2 or a multiple of 3.
7/10
A number is chosen at random from 1 to 50. Find the probability of selecting
either a multiple of 4 or a multiple of 5.
11/25
A number is chosen at random from 1 to 25. Find the probability of selecting
an even number that is greater than 13.
6/25
A number is chosen at random from 1 to 50. Find the probability of selecting
multiples of 10.
1/10
Find the probability of drawing a black face card on the first draw, replacing it and
drawing a Club card on the second draw.
3/104
Find the probability of drawing a red 2 through 4 on the first draw, replacing it and
drawing a 8 card on the second draw.
3/338
Find the probability of drawing a 7 of Hearts on the first draw, replacing it and drawing
a Diamond card on the second draw.
1/208
Find the probability of drawing a face card that is a Heart on the first draw, replacing it and
drawing a face card on the second draw.
9/676
Find the probability of drawing a face card that is a Heart.
3/52
Find the probability of drawing a Club.
1/4
Find the probability of drawing a Heart 4 through 5 on the first draw, replacing it and
drawing a black card on the second draw.
1/52
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