Log in
Sign up for FREE
arrow_back
Library

Problem Set - Homework 4

star
star
star
star
star
Last updated 5 days ago
48 questions

ME = 85% - 100%

AP = 60% - 84%

DM = 0% - 59%

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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

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

Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.

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

Question 12
12.

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

Question 13
13.

What percentage of songs in the collection are pop?

Round your percentage to the nearest whole percentage.

Show your work!

Question 14
14.

What percentage of songs in the collection are for studying?

Round your percentage to the nearest whole percentage.

Show your work!

Question 15
15.

What percentage of the classical music is music for studying?

Round your percentage to the nearest whole percentage.

Show your work!

Question 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.

Question 17
17.

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

Question 18
18.
Question 19
19.
Question 20
20.
Question 21
21.
Question 22
22.
Question 23
23.

How many people regularly text while driving?

Question 24
24.

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

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.

Question 25
25.

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

Question 26
26.
Question 27
27.
Question 28
28.
Question 29
29.
Question 30
30.
Question 31
31.
Question 32
32.
Question 33
33.
Question 34
34.
Question 35
35.

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

Question 36
36.

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.

Question 37
37.

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

Question 38
38.
Question 39
39.
Question 40
40.
Question 41
41.
Question 42
42.
Question 43
43.
Question 44
44.
Question 45
45.

How many middle school aged people were surveyed?

Question 46
46.

How many people prefer Instagram?

Question 47
47.

How many college age people prefer Facebook?

Question 48
48.

How many high school aged people prefer Twitter?