A survey of 108 high school students determined whether they used Instagram, Twitter, or Facebook.  The following information was determined: 68 used Instagram, 58 used Twitter, 75 used Facebook, 34 used Instagram and Twitter, 38 used Twitter and Facebook, 45 used Instagram and Facebook, and 22 used all three. How many of the students surveyed used.... a) only Instagram? b) Instagram and Twitter, but not Facebook? c) Instagram or Twitter?

Q: A survey of 109 high school students determined whether they used​ Instagram, Twitter, or Facebook.…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: An anonymous survey of college students was taken to determine behaviors. Results were: 857 drank,…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   857 drank 644…

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A: Use union and intersection forumula for sets to solve.

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A: We use the Venn diagram to solve the given question.

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Q: high school students determined whether they used​ Instagram, Twitter, or Facebook. The provided…

A: Dear Student, We are allowed to solve the first 3 subparts only. Please ask separately the remaining…

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 555 were…

A: Given data, Total number of nurses=800 in which Health club member nurses =430 Smokers nurses =555…

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A:

Q: Lenny has 5 friends in his neighborhood. In how many ways can he choose 3 to help him move…

A: Lennh has friends = 5 Number of friend to be chosen = 3

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A: Given that: A survey was given among the members of the Silver Springs Country Club, asking which…

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A:

Q: A survey of 300 workers yielded the following information: 231 workers belonged to a union and 195…

A: given that total workers = 300 Let U denotes union and 231 belonged to union that is, n(U)=231 Let D…

Q: A member of the Student Council decided to conduct a room visit and asked the students for their…

A: Let D=the students joined  the Debat clubC=the students signed up for the cooking clubGiven ,no.of…

Q: A survey of 600 school employees yielded the following information: 325 were instructors, 442 were…

A: Given data, instructors= 325 full-time faculty=442 instructors were full-time faculty=255   No of…

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A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

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A: We can solve given problem by Venn- diagram:

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Q: results of a survey of visitors at the Eiffel Tower showed that 25 spoke English, 15 spoke French,…

A: Given that  English spoke = 25  French spoke = 15 Both English and French spoke = 8

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A: Given info: The bag has 5 red and 4 green marbles.

Q: a. How many of the students polled had applied to exactly two of the universities? b. How many…

A: The given data is  The sample space contains = 60 students Number of elements in Sample space = n(S)…