In a class with 42 students, 22 like blue and 27 like red. if 6 no like either colours.

find : - a) how many students like both red and blue

b) how many students like red only

c) how many students like blue only

Number of students who like both red and blue are 13.

Number of students who like red only = 14

Number of Students who like blue only = 9

Step-by-step explanation:

Total number of students P (U) = 42

Number of students who like blue P(B) = 22

Number of students who like red P(R) = 27

Number of student who like neither red nor blue = P (B ∪ R)'

P (B ∪ R) = P(U) -  P (B ∪ R)'

= 42 - 6

= 36

Now Case 1:

students who like both red and blue = P (B ∩ R)

Now using,

P( B ∪ R) =  P(B) +  P(R) - P (B ∩ C)

36 = 22 + 27 - P (B ∩ C)

P (B ∩ C)  = 49 - 36 = 13

So the number of students who like both red and blue are 13.

Case 2:

Number of students who like red only = P (R) - P (B ∩ C)

= 27 - 13

= 14

Case 3:

Number of Students who like blue only = P(B) -  P (B ∩ C)

= 22 - 13

= 9

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step-by-step explanation:

d

step-by-step explanation:

the 2000 florida legislature amended section 322.05, florida statutes, changing the requirements to obtain a class e license for a driver under the age of 18 holding a learner's license. the following requirements must be met in order to obtain a regular class e license if a learner's license is issued on or after october 1, 2000:

must hold a learner's license for at least 12 months or until the 18th birthday.

must have no convictions 12 months from the issue date of the learner's license.

may have one traffic conviction within 12 months from the issue date of the learner's license if adjudication is withheld.

a parent, legal guardian, or responsible adult over 21 years old must certify that the driver has 50 hours driving experience, including 10 hours of night time driving.