6. statistical distribution

Question 1

random variable def

Answer 1

variable whose value depends on the outcome of a random event

Question 2

sample space

Answer 2

range of values that a random variable can take any range of specific values

Question 3

variable is discrete

Answer 3

take only certain numerical values

Question 4

variable is random

Answer 4

outcome is not known until experiment is carried out

Question 5

discrete uniform distribution

Answer 5

when all of the probabilities are the same

Question 6

p(x<r) =

Answer 6

p(x less than or equal to r-1)

Question 7

p(x>r) =

Answer 7

1- p(x less than or equal to r)

Question 8

p(x less than or equal to r)

Answer 8

1- p(x less than or equal to r-1)

Question 9

greater than 5
meaning
calculation

Answer 9

x > 5
1- p( X less than or equal to 5)

Question 10

no more than 3
meaning
calculation

Answer 10

x less than and equal to 3
p(x less than or equal to 3)

Question 11

at least 7
meaning
calculation

Answer 11

x Is greater than equal to 7
1-p(x less than or equal to 6)

Question 12

fewer than 10
meaning
calculation

Answer 12

x < 10
p(x less than or equal to 9)

Question 13

at most 8
meaning
calculation

Answer 13

x less than or equal to 8
p ( x less than or equal to 8)