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NEW QUESTION 31 
- A. 3,286
- B. 2,056
- C. 0
- D. 1.224
Answer: C
NEW QUESTION 32
Determine which of the following statements is not true about the binomial expansion of (1+x)p, assuming p is real.
- A.
- B.
- C. it converges when p is a p positive integer.
- D.
Answer: B
NEW QUESTION 33
Identify which of the following statements is correct.
- A. can be greater than or less than x.
- B. is less than x
- C. is equal to x.
- D. is greater than x
Answer: C
NEW QUESTION 34
Identify which of the following is not true about the population variance of a set of data.
- A. It can be calculated as
- B. It is represented by the symbol
- C. It can be calculated as
- D. Its positive square root gives the standard deviation
Answer: A
NEW QUESTION 35
Let a and b be two positive numbers and let m and n be two positive integers.
Identify which of the followingequalities is false.
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 36
Consider the three vectors:
Determine which of (he vectors or combination of vectors shown in the options has the greatest magnitude
- A. v
- B. u+v
- C. v-u
- D. w
Answer: B
NEW QUESTION 37
A national newspaper wants to publish the results of a survey showing people's preferences for different types of sandwiches. Identify which of the following ways of publishing the survey results is likely to be the least useful to its readers.
- A. Pie chart
- B. Table of data
- C. Bar chart
- D. Box plot
Answer: C
NEW QUESTION 38
A set of 17 observed values is being studied.
Identify which of the following statements is/are true.
I The median must be equalto one of the observed values.
II. The mean could be different from all of the observed values.
Ill If the observations are positively skewed, then the mean is less than the median IV. More than one mode is not possible.
- A. II and IV only
- B. III only
- C. I and II only
- D. I only
Answer: D
NEW QUESTION 39
Identify which of the following statements is not true about the probability density function of a continuous random variable.
- A. Differentiating it gives the cumulative distribution function.
- B. It must be non-negative.
- C. Integrating it across its domain must produce an answer of 1.
- D. It could be greater than 1.
Answer: D
NEW QUESTION 40
A snack bar does not give an itemised bill tor drinks In the past three visits, the total bills have been:
1) Three teas, two coffees and one lemonade cost £9.80
2) One tea four coffees and two lemonades cost £13.60
3) Two teas, two coffees andtwo lemonades cost£10
Calculate the price for a single coffee, given the prices have been the same for the three visits.
- A. £1.20
- B. £2.05
- C. £2.48
- D. £2.40
Answer: D
NEW QUESTION 41
Identify which of the following quantities can always be derived from a box plot of a data set.
I.Mean
II.Median
III. Mode
IV. Range
V.Sample size
- A. IV and V only
- B. I and III only
- C. I and II only
- D. II and IV only
Answer: D
NEW QUESTION 42
Identify which of the following statements is true,where X is a discrete random variable that exists over the domain [a. b], and F(x) is its distribution function.
A)
B)
C)
D)
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: A
NEW QUESTION 43
A weekly pet insurance premium is given by a solution of the following equation:
4x2-11x-3 = 0
Calculate the premium.
- A. -£3
- B. -£0.25
- C. -£0.75
- D. -£1
Answer: A
NEW QUESTION 44
Calculate
- A. 58.88
- B. 951.84
- C. 337.84
- D. 399.68
Answer: C
NEW QUESTION 45
In an Olympic Race there are 100 competitors.
Calculate the number of ways of distributing the Gold. Silver and Bronze medals amongst all of the competitors.
A)
B)
C)
D)
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: A
NEW QUESTION 46
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