Apparently, depression significantly increases the risk of developing dementia later in life. In a recent study it was reported that 22% of those who had depression went on to develop dementia, compared to only 17% of those who did not have depression, Suppose 10% of all people suffer from depression. a. What is the probability of a person developing dementia? (Do not round intermediate calculations. Round your answer to 3 decimal places.) Probability b. If a person has developed dementia, what is the probability that the person suffered from depression earlier in life? (Do not round intermediate calculations. Round your answer to 3 decimal places.) Probability

Q: Find the odds in favor of an event and odds against event S.  For Samsung ships 23.5 percent of the…

A: A: Samsung shipsP(A)=23.5%=0.235P(Ac)=1-P(A)=1-0.235=0.765

Q: The table below shows the results of a survey in which tablet users were asked how often they would…

A: From the given information we find the probability.

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A: Given information- The probability of an IRS audit is 2.0 percent for U.S taxpayers. So, Number of…

Q: Suppose a large shipment of stereos contained 11% defectives. If a sample of size 311 is selected,…

A: Solution: From the given information, p=0.11 and n=311.

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A: Given information- We have given a problem of the binomial distribution. Probability of survival, p…

Q: (Your answer for a and b should be in percentage and rounded to TWO decimal places.Don't forget to…

A: Givenon average 7 earthquakes in every six-monthsλ=7x~Poisson(λ=7)P(X=x)=e-λ×λxx!   ; x≥0

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A: Given that , a medical test is given to 1000 people, 53% of whom have diabetes. It's mean 530 people…

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A:

Q: Approximately 6% of American drivers d not text while they drive. Suppose you are working with a…

A: It is given that the proportion of American drivers do not text while they drive (p) is 0.06 and the…

Q: the age of Subject #101 is 71. Divide that age by 10 and put a % on it.  That is the probability of…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: It is estimated that 0.52 percent of the callers to the Customer Service department of Dell Inc.…

A:

Q: & What is the probability of seeing positive change? What is the probability of seeing positive…

A:

Q: According to the information that comes with a certain prescription drug, when taking this drug,…

A: Here the given information is According to the information that comes with a certain prescription…

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A:

Q: ACcording to a study conducted by a public health school, a child seated in the front seat who was…

A: Given to a study conducted by a public health school, a child seated in the front seat who was…

Q: The Statistical Bulletin reports that 22.5% of the households in the country are inhabited by one…

A: See below hand written answer: hgyukj

Q: t is reported that the market share of iphones is 40%. (i.e. 40% of all cell phones are…

A: Given data, p=40% =0.40 n=50 P(X=22)=?

Q: Suppose 57% of the population has a college degree. If a random sample of size 770 is selected,…

A: the pdf of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: what is the probability that greater than 12.72% of them ended up dropping out?

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A: Where,

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Q: An estimated 1,690,000 children were runaways in 1999. (a) Suppose the probability of running away…

A: An estimated 1,690,000 children were runaways in 1999

Q: A recent study of cardiovascular risk factors reports that 30% of adults meet the criteria for…

A: Here, n = 15 and p = 0.30.

Q: According to the information that comes with a certain prescription drug, when taking this drug,…

A: From the provided information, There is 17% chance of experiencing nausea(N) that is P (N) = 0.17…

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A: In the medical field, patients often receive information that may be difficult to comprehend,…

Q: A recent study of cardiovascular risk factors reported that 30% of adults met criteria for…

A: Let X be the number of adults that meet the criteria for hypertension. Therefore, The probability…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: According to the information that comes with a certain prescription drug, when taking this drug,…

A: Given ,  There is 21% chance of experiencing nausea (N).  i.e. P(N) = 21% = 0.21 There is a 40%…

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A: For a random sample of 500 adults, 54​% watch news videos.

Q: According to a report in Parade magazine, a nationwide survey conducted by the University of…

A: We have given that Probability (p)  = 0.70  Number of samples(n) = 12 Here we will use binomial…

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A: A group of 12 students' cholesterol levels are tested. Suppose the probability of a student having a…

Q: Suppose the probability of an irs audit is 1.4 percent for us tax payers who file form 1040 and who…

A: Given Probability of audit =1.4% Probability of no IRS audit=1-0.014=0.986

Q: Maggie is practicing her penalty kicks for her upcoming soccer game. During the practice, she…

A: Sample size, n = 10Probability , p = 65% = 0.65

Q: M = 75.85 and SD = 6.38, what is the probability of a score falling below a raw score of 63.00?

A: Given that  Mean = M = 75.85 , Standard deviation = SD = 6.38 Raw score = X = 63.00

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A:

Q: It is estimated that 0.45 percent of the callers to the Customer Service department of Dell…

A: P=0.45%n=1000

Q: Suppose the probability of an IRs audit is 4.2 percent for U.S taxpayers who file form 1040 and who…

A:

Q: Suppose that 24% of US adults favor an increase in taxes.  What is the probability that in a group…

A: According to the given information, we have Sample size, n = 8 Given that 24% of US adults favor an…