Mathematics, 23.06.2020 10:57 Destinywall
3.
A group of 50 students at the Namibia University of Science and Technology, take at least on of
these subjects: Calculus(C) and ANOVA(A). 17 take both subjects, 9 take Calculus only, 8 take
ANOVA only and x take neither subjects.
(4
)
4.1 Represent this information on a venn diagram.
NB: For questions 4.2 to 4.4 use appropraite set notations.
(3)
4.2 Find the value of x.
(3)
4.3 Find the number of students taking Calculus or ANOVA.
(3)
4.4 Find the number of students taking ANOVA.
(3)
4.5 Find the number of students who are not taking Calculus.
[16 marks]
5. Given marices D =
C, 3)C = 63? 3), E = (3} $) and F = (33)
Answers: 1
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How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !
Answers: 2
Mathematics, 21.06.2019 18:00
Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml
Answers: 2
Mathematics, 21.06.2019 20:30
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
Answers: 1
Mathematics, 21.06.2019 21:30
If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2
Answers: 2
3.
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