QUESTION 7 "For a perfectly symmetrical, normal distribution, which relationship is always true?" O Mean = median = mode O Mean > median O Mean < median O Mean < median = mode QUESTION8 "A sample of 12 insomniacs was surveyed about how many hours of sleep they obtained over a five day period. Their responses were 3, 4.5, 7.25, 6, 8, 0, 2.75, 0, 1.2, 4, 4.3, 5.2. What scale of measurement is being used in this study?" O Ratio O Nominal O Ordinal O Interval

Q: 5 -100 12 8

A: Solve the given

Q: 2/5+4/8

A: We have to find the sum

Q: 12 5(.8)0

A: We can solve given problem by using G.P series.

Q: 10 8/10 + 9 7/12=

A:

Q: 6.5+ 4

A: To simplify given

Q: expand (a-b)7

A: The solution is given in the next step.

Q: 19 14.3

A:

Q: 9 b and c

A: b) We check if the denominator is 0 for any value of x.  2x2+5=0 2x2=-5 x2=-5/2 (not possible) So…

Q: Expand (a −b)4

A:

Q: 12 16

A: We know that If a perpendicular is drawn from the vertex of right angle triangle of a right triangle…

Q: 4 10

A: Given: The figure,

Q: 6. 3 (2s+5)³

A:

Q: 6. 8.

A: Pythagorean Theorem:                  Pythagoras theorem states that  "In right angled triangle ,…

Q: - 2 4. - 3 V22 4 2/7 41M

A:

Q: 22 7/8 - 7=

A: Given,

Q: 6 1/6 + 6

A: