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lara31 [8.8K]
3 years ago
13

HELP I NEED HELP ASAP

Mathematics
2 answers:
Nonamiya [84]3 years ago
5 0

Answer:

number 5 is D

and number 6 is C

shepuryov [24]3 years ago
4 0

I) what percentage of students finished the race in less than 12 seconds:

number of students who finished before 12 seconds= 16

total number of students= 20

% = (16×100)20 = 80%

ii) B.3

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Consider randomly selecting a student at a large university. Let A be the event that the selected student has a Visa card, let B
wariber [46]

Answer:

a. 0.76

b. 0.23

c. 0.5

d. p(B/A) is the probability that given that a student has a visa card, they also have a master card

p(A/B) is the probability that given a student has a master card, they also have a visa card

e. 0.35

f. 0.31

Step-by-step explanation:

a. p(AUBUC)= P(A)+P(B)+P(C)-P(AnB)-P(AnC)-P(BnC)+P(AnBnC)

                    =0.6+0.4+0.2-0.3-0.11-0.1+0.07= 0.76

b. P(AnBnC')= P(AnB)-P(AnBnC)

                    =0.3-0.07= 0.23

c. P(B/A)= P(AnB)/P(A)

             =0.3/O.6= 0.5

e. P((AnB)/C))= P((AnB)nC)/P(C)

                     =P(AnBnC)/P(C)

                     =0.07/0.2= 0.35

f. P((AUB)/C)= P((AUB)nC)/P(C)

                    =(P(AnC) U P(BnC))/P(C)

                     =(0.11+0.1)/0.2

                     =0.21/0.2 = 0.31

7 0
3 years ago
If n is a term of the sequence 2,5,8,11,..., which expression would give the value of n?
Wittaler [7]
The term of the sequence is eleven 11
5 0
3 years ago
Read 2 more answers
Please help and explain
Sonja [21]

Find out how much over the 10 years whatever it says and then use that to explain if it's worth is

3 0
4 years ago
What is the best estimate of the area of the figure on the grid if each square has side lengths of 1 inch?
Phoenix [80]

Answer:

C) 29 square inches

Step-by-step explanation:

5 x 5 = 25

Triangles = 0.5

25 + 2 = 27

27 + (4 x 0.5)

27 + 2 =29

~~Thanks,

             Sanjith U.

6 0
3 years ago
Read 2 more answers
What is the median number of cars sold this month?<br> A) 22<br> B)20<br> C) 20.4<br> D)21
tresset_1 [31]

Answer:

The Median is 20

Arrange the numbers in order

15 20 20 22 25

The middle number is 20

5 0
3 years ago
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