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Problem Set - Homework 4

Poslední aktualizace 4 months ago

48 Dotazy

ME = 85% - 100%

AP = 60% - 84%

DM = 0% - 59%

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Ms. Ehrenberg tosses a dice and spins a coin 150 times as part of an experiment. She records 71 heads and a six 21 times. On 68 occasions, she gets neither a head nor a six.

Complete the table and answer the questions about the results.

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In Ms. DiZillo's music collection there are...

208 songs in total
She has 150 songs in her “Workout Music” playlist
162 of the songs in the total music collection are Pop songs
38 Classical songs are in her “Music for Studying” playlist

For #1-16, complete the table and questions for Ms. DiZillo's music collection:

Otázka 1

1.

In Ms. DiZillo's music collection there are...
208 songs in total
She has 150 songs in her “Workout Music” playlist
162 of the songs in the total music collection are Pop songs
38 Classical songs are in her “Music for Studying” playlist
Fill out the table here FIRST, then enter your answers in #2-11.

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How many total songs are her "Music for Studying" playlist?

Otázka 12

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How many classical songs are her "Workout Music" playlist?

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13.

What percentage of songs in the collection are pop?
Round your percentage to the nearest whole percentage.
Show your work!

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14.

What percentage of songs in the collection are for studying?
Round your percentage to the nearest whole percentage.
Show your work!

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15.

What percentage of the classical music is music for studying?
Round your percentage to the nearest whole percentage.
Show your work!

Otázka 16

16.

What percentage of songs in the collection are classical music for studying?
Round your percentage to the nearest whole percentage.
Show your work!

Laura was driving home from school and texting her mom at the same time. She did not notice that she was speeding and a police officer pulled her over and gave her a traffic citation.

She wonders if there is an association between people who regularly text while driving and if they have received a traffic citation in the last 2 years.

She conducts a survey among 50 drivers and records some data in the table.

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It will be easier if you fill your table in here first, then answer 18-22!

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How many people regularly text while driving?

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How many people have no traffic citations and regularly text while driving?

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Ms. Ehrenberg tosses a dice and flips a coin 150 times as part of an experiment. She records 71 heads and a six 21 times. On 68 occasions, she gets neither a head nor a six.
It will be easier if you fill your table in here first, then answer 26-34

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How many times did she toss a tails and a six?

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How many times did she toss a head?

Hania loves social media and is interested in at what age people prefer different social media outlets. She groups people into the following age groups: middle school age, high school age, college age.

She then asks 75 people what their favorite form of social media is: Twitter, Instagram or Facebook.

Complete the table and answer the questions about the results.

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It will be easier if you fill your table in here first, then answer 38-44!

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How many middle school aged people were surveyed?

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How many people prefer Instagram?

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How many college age people prefer Facebook?

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How many high school aged people prefer Twitter?