The probability that a man will live until 70 years is 3/4 and the probability that his wife will live until 70 years is 4/5. What is the probability that at least one will live until 70 years? 19/20 1/20 2/5 17/20

Q: 3. x<-10 F(x)= 0.25 -10 sx< 30 0.75 30 <x< 50 1 50 <x (a) P(X< 50) (b) P(X s 40) (c) P(X < 0)

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Q: 2. A limousine service has three cars (sedans) which it hires out by the day. The number of requests...

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Q: What is the probability that throwing 10 dice together, you will throw AT LEAST two ‘3’s on the dice...

A: Here use binomial distribution 

Q: A student draws several cards from a deck of 10 unique cards. Which of these statements are true? Se...

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Q: Given the figure below, find P(AIC). A В .02 (.03 .07 L05 7.04.08 .20 .51 O a. 0.543 O b. 0.243 О с....

A: We have given that three events A, B and C with their probabilities in the given venn-diagram.

Q: ways can 5 balls be selected if: a. all the balls are orange? b. all the balls are green? c. all the...

A: HERE GIVEN, there are total 5+7+10 = 22 pingpong balls in box here 5 balls are selected  here use co...

Q: A coffee shop receives on average of 5 orders for every 30 minutes. What is the probability that the...

A: Solution-: Given : For every 30 minutes =5 orders We find, P(they will receive 17 orders in the next...

Q: 2. Let X, X, F(x), where f(x) = {e.0<x<and let Z= then the distribution 0,e.w of Z is A. FE) O A В. ...

A: Here the given p.d.f is of chi-square distribution with k= 2. As we know that,  If X~ chi-square dis...

Q: Every years two teams, Unggul and Bestari meets each other in a debate competition. Past results sho...

A: Hi! Thank you for the question, as per the honor code, we are allowed to answer three sub-parts at a...

Q: expected profit of playing the game?

A: Here use given information for expected winning Suppose you play a game of chance in which five numb...

Q: 2. Calculate the ff: a. Probability of P(-1.8 44.461) c. Using n=24, find P(t<6853)

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: Suppose that the average number of hours spent by senior high school students in your school for the...

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Q: Directions: Create two (2) problems illustrating a permutation situation. Be creative in your proble...

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Q: A school organization would like to sell cupcakes for fund raising. Its members gathered data on the...

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Q: Three couples (husbands and their wives) must sit at a round table in such a way that no husband is ...

A: 3 couples (6 persons) Circular Total ways =  (factorial n-1) = (factorial 5)=120 ways. 

Q: 3. Ultrasound can be used to diagnose acute appendicitis in patients fronting with abdominal pain. I...

A: Given information: Ultrasound can be used to identify cases of appendicitis. In a study of the use o...

Q: Consider the given raw data 12, 11, 15, 12, 10, 14, 8, 12, 10, 18. Compute MEDIAN O 12.21 O 12.19 O ...

A: We have give data  are  12,11,15,12,10,14,8,12,10,18  

Q: A random variable X is defined by the CDF if x 1 0, Answer the following: a) Find the value of K b) ...

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Q: ind the area to the right of a negative z value: z = -2.08 * D 92.92% ) 47.32% ) 48.78% O 98.12%

A: Let Z  be the random variable from normal distribution then we will find the area to the right of z ...

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a...

A: Given that  n=5 , p=20%=0.20 , q=1-p=1-0.20=0.80 X~Binomial(n=5,p=0.20) p=probability of chance of s...

Q: Tossing a fair coin 20 times, calculate the following probability: a. Probability of obtaining at mo...

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Q: The probability that a bachelor's degree recipient in 2006 majored in biomedical science is 23 Find ...

A: Let E denote the probability of occurring an event. Let EC denote the compliment to the probability ...

Q: A math class consists of 14 female students and 20 male students. Two students are selected at rando...

A: Given that  Total students=14+20=34 Female students=14 Male students=20 2 students are selected at r...

Q: Evaluate the following combinations. Find the number of combinations of 7 objects taken 4 at a time ...

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Q: What is the probability that the Bucs will have 3 or more sacks in the game

A: Let us define some events A : Buccaneers will score a touchdown on their opening drive. B : Bucs wil...

Q: d. Two females are selected. e. No males are selected.

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Q: a) In how many ways can the choreographer choose the dancers if the company has 20 dancers? 24 dance...

A: here use combination   

Q: A box contains 36 twenty cent pieces and 24 fifty cent pieces. Three coins are randomly withdrawn (n...

A: Given that, A box contains 36 twenty cent pieces and 24 fifty cent pieces. Three coins are randomly ...

Q: 1.Find the area to the left of z= - 2.42 2.Find the area to the left of z= 0.97

A: We have given that different z-scores, where Z ~ N(0,1).

Q: In a sample of 250 adults, 175 had children. Construct a 90% confidence interval for the true popula...

A: We have given that,  Sample size (n) = 250 and favorable cases (X) = 175  Then,  We will find 90% co...

Q: MY NOTES ASK YOUR TEACHER Suppose two dice (one red, one green) are rolled. Consider the following e...

A: Given that  Two dice (one red and one green) A: The red dice shows 1 B: the number add to 2 C: at le...

Q: There is an 80% chance the team will win on Thursday. What are the odds against the team winning on ...

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Q: Problem 1: The number of classmates who are K-Pop fans. along with its corresponding probabilities i...

A: Given data is X P(X) X*P(X) X-μ X-μ2 (X-μ)2*P(X) 13 0.25 3.25       14 0.18 2.52       15 0...

Q: Suppose you have data on "timing of childbirth" for a sample of new mothers at University of lowa Ho...

A: GivenThe days before or after due date the baby born follow a normal distribution with mean 0 and st...

Q: Assume that the amounts of weight that male college students gain during their freshman year are nor...

A: Given that  X~N(μ= 1.2 , σ= 5.3 ) μ= 1.2 , σ= 5.3

Q: Consider the given raw data 12, 11, 15, 12, 10, 14, 8, 12, 10, 18. Compute MEAN * O 12 O 12.20 O 12....

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Q: Data from a survey of customers are on an ordinal scale (1 to 7) regarding satisfaction with the ser...

A: Given a situation, we have to identify which statistical test is used here and also explain the test...

Q: 6. How many integers from 1 through 100 must you pick in order to be sure of getting one that is div...

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Q: Cooking oil is produced in two varieties, monounsaturated and polyunsaturated. Two common sources of...

A: From the provided information, Type of unsaturated Type of oil Canola Corn Total M...

Q: Find the probability using the standard normal distribution. P (z< - 0.42)

A: GivenP(z&lt;-0.42)

Q: Four cards are drawn from an ordinary deck of 52 cards. Find the probability that (a) all cards are ...

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Q: g) Given that the system did not park the car perfectly at most 6 times, what is the probability tha...

A: Given information: P(Perfectly)=0.82  P(Not perfectly)=1-P(Perfectly)=1-0.82=0.18 n = 29 X = number ...

Q: Consider an unfair coin with probability p of heads. n has been tossed (a deterministic number) n ti...

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...

Q: When two dice are rolled 36 times: Determine the empirical probability that a 9 comes up 6 times.

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Q: A car is regularly passed through a traffic signal. Out of 100 times a car passed, it got a green si...

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Q: Change 114.3% to a decimal number. The answer is

A: A percentage is a number or ratio which is expressed in terms of a fraction of 100. In other words, ...

Q: Dunlop, Yonex and Head. In how many ways can you purchase four racquets so that you purchase must in...

A: Here available brand 6,  Here purchase 4 racquet  Use counting principle 

Q: Study the following situations. Then, answer the questions that follow. 1. Determining the top three...

A: Since you asked multiple subpart question, we will solve first three subparts for you. To get remain...

Q: A box contains 25 IC, five of which are defective. Two IC are drawn at random. Find the probability ...

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Q: How many computers? In a simple random sample of 140 households, the sample mean number of personal ...

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