We select at the random sample who had a mammogram what is the probability that she is hispanic or she is widow

Q: A nylon connector manufacturing plant yields 14 % defective items. If 1000 connectors are randomly…

A: Here, the sample size is n=1000 and the probability of defective items is 0.14. Consider, μ=np…

Q: In a dental study on children it was found that the probability of the child population having any…

A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3

Q: The coach of a running team thinks that 45% of athletes can run a mile in under 7 minutes. A simple…

A: Given problem Given that   The coach of a running team thinks that 45% of athletes can run a mile…

Q: Find the probability that the average effective time of the pain relief drug for a sample of 25…

A: The mean is 2 hours and the standard deviation is 0.20 hours.

Q: If administrators are selected randomly from the​ faculty, what is the approximate probability that…

A: Given that, No. of teachers = 2000 P(men) = p = 50% = 0.50 P(women) = q = 50% = 0.50 No. of…

Q: Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used…

A: given data  P(have resistance to vancomycin) = 0.03resistance to vancomycin means not succesfully…

Q: a fair six sided die is rolled 10 times.each is independent.you want to find probability of finding…

A: Let the random variable X denotes the number of times a fair six-sided die is rolled. The number of…

Q: What is the probability of randomly selecting an adult who has a heart rate between 60 BPM and 70…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: The probability that a person with certain symptoms has hepatitis is .008. The medical diagnostic…

A:

Q: Suppose a coin is tossed. Let X be the random variable representing the number of heads. Find the…

A: Given: A coin is tossed. X is the random variable representing the number of heads. Possible…

Q: Suppose the first generation Apple iPad has 5% chance of being defective. What is the probability…

A: From the provided information, Apple iPad has 5% chance of being defective that is p = 0.05 Sample…

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: The probability of a radar station detecting an enemy plane is 0.55. If 60 stations are in use, what…

A: The binomial distribution is given by,   P(X=x) = Cxn . px . qn-x ; x = 0, 1, 2, ....…

Q: The table summarizes results from 983 pedestrian deaths that were caused by automobile accidents.…

A: Total number of pedestrian who's no  intoxicated =70+573=643 Total number of accident=983 We want to…

Q: What is the probability of selecting a sample with the proportion of females being 0.56 or greater?

A: here p =  proportion of female in US =  0.51  n = 500

Q: An automated assembly line produces 43,500 parts per duty cycle. The probability that a randomly…

A:

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A:

Q: A nylon connector manufacturing plant yields 16 % defective items. If 1000 connectors are randomly…

A:

Q: Let Random variable X be the sum of two dice. Present the probability distribution (tabular) of the…

A:

Q: n the toal US population, it is believed that only 12% of adults are lactose intolerant. if 200 US…

A: In this case, each considered US adult has the only options of being "lactose intolerant" (defined…

Q: The probability is (Type an integer or a decimal. Round to three decimal places as needed.)

A: It is given that  p = 7% = 0.07 n = 206

Q: Should the one-tailed or the two-tailed probability be used to assess performance  of the students?

A: The tail of the test depends on the alternative hypothesis of the test. The possible alternative…

Q: Assume that the incidence of the HIV virus in a particuar population is 4% and that the test…

A: Let us denote  A= actually has the virus T=tested positive Given that P(A)=4%=0.04 P(T|A)=90%=0.90…

Q: probability that there less than 2 accidents in a week?

A: here given, average of 4 accidents in week here use poisson process because  Event occurrence rate…

Q: If the chance of suffering from occupatinal hazards is 25%, what is the probability that out of…

A:

Q: Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used…

A: Given  n=sample size=18, q be the probability of successful treatment q=3%

Q: A new surgery is successful 80% of the time. If the results of 6 surgeries are randomly sampled,…

A:

Q: Two six-sided dice were rolled 20 times.Doubleswere rolled 4 times. What is the experimental…

A: In the given case There are a total 20 trials (n) that is 20 times the dice were rolled. The…

Q: After vaccination, the probability of getting flu is 0.15. Without vaccination, it is 0.4. In a…

A: Given Information: After vaccination, probability of getting flu is 0.15. Without vaccination,…

Q: on has blood type A is 0.3.Two persons are selected at random. What is the probability that neither…

A: Consider: E: The event that selected person has Blood type A. We have P(E)=0.3 The probability of…

Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…

A: Givenproportion(p)=0.634sample size(n)=430Mean(μp^)=p=0.634standard…

Q: Is it unusual because the probability of a women having blood pressure lower than 63 mmhg is what?

A: Given data : Check your blood pressure: In a recent study, the Centers for Disease Control and…

Q: A survey showed that 82% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A:

Q: The proportion of male students at SIBT is known to be 65%.  Assume students are randomly assigned…

A:

Q: Suppose that asthma affects 1 in 20 children in a population. We decide to redo the survey and now…

A:

Q: Suppose that asthma affects 1 in 20 children in a population. You take an SRS of 50 children from…

A: It is given that asthma effects 1 in 20 children in a population. Let the random variable X denotes…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.