(2 points) Events A and B are mutually exclusive. P(A) = 0.2 and P(B) = 0.8. Find P(A U B) to one decimal place. P(AUB) =

Q: The contingency table below shows the results of a survey of video viewing habits by age. Video…

A: Given information: viewer age Mobile/laptop device TV screen Row total 18 to 34 31 33 64 35…

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A: Given points : P1= (3,-4)  and P2 = (-2,1)

Q: Compute the indicated quantity. P(A | B) = 0.3, P(B) = 0.8. Find P(A n B). P(A n B) =

A: Using conditional probability we get:P(A|B)=0.3P(A∩B)P(B)=0.3P(A∩B)=0.3P(B)P(A∩B)=0.3×0.8 [given…

Q: 20 value of E,(k+ 5)?.

A:

Q: Lydia wonders if all bag of candy she got were the same size, so she opens them and counts how many…

A: There are total 5 bags.

Q: (c) Consider the information given above and suppose that the number 10 was observed on 26 occasions…

A: here we data id provided that dice has 13 sides and it is rolled 208 times.

Q: P(A) = 0.51, P(B) = 0.27, P( B | A) = 0.25 Using the provided data, find P(A and B)? Round…

A: Answer: From the given data, P(A) = 0.51 P(B) = 0.27 P(B | A) = 0.25

Q: P(1.15 < Z < 2.77) =

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: P(z < -2.61)

A: Z score = -2.61 Left tailed test

Q: Events A and Bare such that P(A) = 0.2, P(B) = 0.7, and P(An B) = 0.1 Find P(A|B®). You should type…

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Q: P(A) = 0.25, P(B) = 0.65, P(AU B)= 0.8 Find a) P(A|B)        b) P(B|A)

A: First we need to find P(AnB). P(AnB) = P(A)+P(B)-P(AUB) = 0.25+0.65-0.8 = 0.1

Q: 24) wla) = 2|-a – 1|; w(a)=12. Find a.

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Q: What is the answer to this?

A: Concept of General Addition Rule:For any two events A and B the General Addition Rule state that:

Q: Q8 Let P(A) = 0.9 and P(B) = 0.8. Show that P(A n B) 2 0.7.

A:

Q: Giving P(E or F)=0.15,P(E)=0.43,and P(F)=0.45, what is P(E and F)?

A:

Q: Consider throwing a die 5 times. Let X be the number of times the outcome is less than 3. Find P(X =…

A: Let p be the probability of getting number less than 3  Result used:  nCr=n!/(r!(n-r)!)…

Q: Find P(AUB), if the given are P(A)= 0.4, P(B) = 0.3

A: Given that  P(A) = 0.40 P(B) = 0.30 P(A∩B) is not given , Since events A and B are independent.   We…

Q: P ( -2.53 &lt; z &lt; 0.65)

A: The probability is,

Q: 1 (d) Last week, Amy walked a median of 7.5 kilometres each day. 1 kilometre = 0.6 miles The table…

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Q: ower. Determine the power of a test of H0: p = 0.10 when: (a)   p is actually 0.20, α = 0.05…

A: Formula for power: Power=P(Rejecting H0|H0 is false) a) Given  p=0.10 Actual p value is 0.20 n=25…

Q: Compute the indicated quantity. P(A) = 0.1, P(B) = 0.5. A and B are independent. Find P(B | A). %3D…

A: Guven: two independent events A and B such that p(A)=0.1 &amp; p(B)=0.5  Then to find probability…

Q: Compute the indicated quantity. P(A) = 0.7, P(B) = 0.2. A and B are independent. Find P(An B). P(A n…

A:

Q: Compute the indicated quantity. P(B | A) = P(A) = 0.2, P(B) = 0.7. A and B are independent. Find P(B…

A: “Since you have posted multiple questions,we will provide the solution only to the first question as…