subject
Mathematics, 29.08.2021 04:00 makaylaf9479

A survey of 300 people found that 60 owned an iPhone, 75 owned a Blackberry, and 30 owned an Android phone. Furthermore, 40 owned both an iPhone and a Blackberry, 12 owned both an iPhone and an Android phone, and 8 owned a Blackberry and an Android phone. Finally, 3 owned all three phones. (a) How many people surveyed owned none of the three phones? (b) How many people owned a Blackberry but not an iPhone? (c) How many owned a Blackberry but not an Android?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 23:30
Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.
Answers: 3
question
Mathematics, 21.06.2019 23:30
If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p
Answers: 2
question
Mathematics, 22.06.2019 03:50
Will mark brainliest, , and rate to only chrislaurencelle clarissa made a scale drawing of a rectangle. she used a scale factor of 3 to draw the new rectangle. how does the length of the new rectangle compare to the original? the length of the new rectangle is 3 times shorter than the original. the length of the new rectangle is 12 times shorter than the original. the length of the new rectangle is 3 times longer than the original. the length of the new rectangle is 12 times longer than the original.
Answers: 1
question
Mathematics, 22.06.2019 06:30
Middle school math doesn't have to be a drawing
Answers: 2
You know the right answer?
A survey of 300 people found that 60 owned an iPhone, 75 owned a Blackberry, and 30 owned an Android...
Questions
question
Biology, 27.10.2020 06:00
question
Mathematics, 27.10.2020 06:00
question
Mathematics, 27.10.2020 06:00
question
Mathematics, 27.10.2020 06:00
question
Mathematics, 27.10.2020 06:00
Questions on the website: 13722363