11.Suppose that two events, A and B are independent and have the following probabilities:

P(A) = 0.40 P(B) = 0.60

Which of the following is the value of P(A and B)?

Select one:

0.20

0.24

0.40

1.00

0.60

10.Let X be a discrete random variable with the following probability distribution:

X	P(X)
6	0.3
5	0.3
22	0.4

What is the expected value of X?

Please provide your answer in decimal form or percentage form, correctly rounded to two decimal places.

Do NOT include units in your answer.

Just answer

9.A survey aims to identify the streaming services owned by households. Respondents were asked for their age and whether or not their household had a streaming service the results of the survey are tabulated below:

	Does your household have a streaming service?
Age	Yes	No
< 30 year	22	7
30 years or more	13	16

What is the probability that a respondent selected at random replied "yes" and is 30 years or more in age?

Please provide your answer in decimal form or percentage form, correctly rounded to two decimal places.

Just Answer.

8.A survey aims to identify the preference of different genders for online shopping. Respondents were asked the gender they most identify with and their preference. The results of the survey are tabulated below:

	Preference
	High	Low	Undecided
Female	38	24	40
Male	32	6	30

What is the probability that a respondent selected at random had a high preference for online shopping given they are male?

Please provide your answer in decimal form or percentage form, correctly rounded to two decimal places.

Answer:

7.You are given the following information:

Statistics
Mean	37
Median	34
Mode	82
Q1	15
Q3	45
Minimum	4
Maximum	91

What is the value of the interquartile range?

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