Quizizz: Q4 Stats & Probability Review

The mayor of a town wants to see if citizens want to spend money to build more bicycle paths. Which of the following would be the best method to see what citizens prefer?

• Ask 200 random people entering a local bicycle shop.

• Ask the first 200 people who enter City Hall.

• Ask 200 people chosen at random from a list of all the city residents.

• Ask 200 kids at the local skate park

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

• 10820

• 10920

• 11820

• 11920

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CCSS.7.RP.A.2C

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CCSS.7.SP.A.2

The school cafeteria kept a count of the number of items that were chosen by students last week. Students chose 182 hamburgers, 115 hot dogs, and 250 slices of pizza. Based on these numbers, what is the probability that the next student will choose a hot dog? Write you answer as a DECIMAL that is rounded to the nearest hundredth.

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CCSS.7.SP.C.6

Johnny wants to predict the outcome of a the city council election he is running in.

He wants to survey 100 people.

Which of the following would NOT be a valid random sample?

• Ask 100 of Johny's friends & relatives

• Phone 100 random people from a list of all the potential voters.

• Ask every 5th person who walks into the grocery store until 100 people are surveyed.

• Randomly survey 25 people at 4 different locations throughout the city.

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CCSS.HSS.IC.B.3

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CCSS.7.SP.A.2

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CCSS.7.SP.C.6

Round to the nearest WHOLE t-shirt.

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CCSS.6.RP.A.3B

• 45 teens

• 889 teens

• 1,300 teens

• 1,800 teens

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CCSS.7.SP.A.2

The circle graph shows the results of a survey of teens and where they would prefer to spend a family vacation. Predict how many of 150,000 teens would prefer to go to the mountains?

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CCSS.7.SP.A.2