Angie, an owner of a pre-loved clothes shop wants to monitor her sales for the week. Based on her inventory, she sold 20 sets of pants and tops, 15 tops only, and 25 pants only. If the total number of initial items she had is 100

Q: From a pack of playing cards four cards are drawn without replacement. What is the chance that all…

A: We know that  There are 52 card in the deck in which they divided into two color i.e red(26) and…

Q: 7. What is the probability of getting a red card or a face card in a deck of playing cards? A. 2 D.…

A: NOTE- AS PER POLICY I HAVE CALCULATED 3 QUESTIONS

Q: a. What is the expected number of children that should report cognitive impairment related symptoms…

A: 4. A research program is concerned about the potential exposure to hazardous lead levels at a…

Q: What is her mathematical expectation if the probabilities of her getting an A or B are 0.32 and…

A: Let X denote the value of gift. Then the probability distribution of X is X 1000 500 0 P(X = x)…

Q: Of the 30 people working out in the gymnasium one afternoon, 25 are nonsmokers. If 5 are randomly…

A: Here N= 30 and 25 are nonsmokers,  So probability of being nonsmokers is p= x/N q=25/30  q=0.833…

Q: In queueing system What is the average Queue lenght ? 2.- What is the expected waiting time ?…

A: We have to find out 1    average queue length 2     expected waiting time

Q: [6] A machine is used in a production process. From past data, it is known that 97% of the time the…

A: Let  E1 be the event that machine is correctly set up. E2 be the event that machine is incorrectly…

Q: nathematics, G8 studied aa studied both nathematics and hictoryi 25 studied both mathe matics and…

A: Given Let M denotes the events that student studies mathematics. Let P denotes the events that…

Q: probability that the trainee class will consist entirely of men

A: The qualified applicant pool for two management trainee positions consists of four men andsix women.…

Q: 9. Scientists have discovered that drinking large amounts of Red Bull is correlated with a disease…

A: Solution: 9. From the given information, the probability that people who drink red bull get…

Q: The scores of 800 students in a 100-item exam resemble a normal distribution with a mean of 78 and a…

A: Let X be the random variable from Normal distribution with mean (µ) = 78, standard deviation (σ) = 8…

Q: (d) P(z <-1.38) (e) P(-1.63 < z s-1.38) (f) P(z = 2.56)

A:

Q: 2. Let X be the number of grinders sold by Snack Bar on a particular night. X has the following…

A: Given that  Let X be the number of grinders sold by snack bar on a particular night  Let Y be the…

Q: Instruction: Read and analyze the following situations. Determine whether the following statements…

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

Q: find P (condition absent | getting test result –)

A: here use given table of data and bayes rule

Q: a) What is the marginal distribution of Z2. b) Find P(Z2 <4)

A: here given ,  joint distribution of z1 and z2

Q: he annual premium for a ​$5,000 insurance policy against the theft of a painting is  ​$250. If the​…

A:

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A:

Q: An integer is chosen at random from the first fifty integers. What is the probability that the…

A: From the provided information, Total numbers = 50 The prime numbers from the first fifty integers…

Q: 2. A manager samples the receipts of every fifth person who goes through the line. Out of 50 people,…

A: Given that, No.of people had a mispriced items = 4 Total no.of peoples = 50 The probability that…

Q: 67. In shuffling a pack of playing cards four cards are accidentally dropped. hat is the probability…

A:

Q: The Customer Service Center in a large New York department store has determined that the amount of…

A: Let X be the random variable from Normal distribution with mean (µ) = 8.9 and standard deviation (σ)…

Q: 18 Let an experiment be tossing a fair coin once, what is the probability of getting 2 heads? * 0.5…

A: Givena fair coin tossed once

Q: The data below gives the mean price (in cents) of a litre of regular gasoline at self-service…

A: Given data of price/litre is105.4,109.2,98.8,94.9,109.7,112.5sample size(n)=6

Q: Carter Baseball Diamond Burger Joint School 13+ 12+ Swimming Pool 10- Bowling Alley Ice Rink 6+ 5+…

A: In statistics, graph is often referred to as chart.

Q: In a gambling game, a player is paid Php 100 if he draws a jack or a queen and Php 200 if he draws a…

A: The probability of an event is computed by taking the ratio of number of favourable outcomes to…

Q: Use the sample data and confidence level giveh belOW A research institute poll asked respondents if…

A: Given information, n=1037 and x=598. a) Best estimate for the population proportion, p:…

Q: A game has an expected value to you of ​$100. It costs ​$100 to​ play, but if you​ win, you receive​…

A:

Q: Let p be the population proportion for the following condition. Find the point estimates for p and…

A: Given that  Sample size n =933 Favorable cases x =121 Sample proportion p^=x/n

Q: One of two urns is chosen at random with one as likely to be chosen as the other. Then a ball is…

A:

Q: The odds againts A solving a problem are 5: 4 and the odds in favour of E solving the same are 3: 7.…

A:

Q: 3. In 1990, 22 of Americans completed four years of college ; 53 % of them were women ( Time, Jan.…

A: Given Information: %ge of Americans completed four years of college=22% %ge of women completed four…

Q: 18. The following payoff table shows profits for two decision alternatives under three different…

A:

Q: The probability that a coin is balanced, is .80 and that it is unbalanced is .20. - If the coin is…

A:

Q: ameters min=50, most likely=85, and max=100. Which of the following is true?   a. The interquartile…

A: Explanation:Here given the two similar probability distributions with parameters   Min=50,…

Q: Assignment After collecting considerable data, the engineers decided to model the variation in shaft…

A: Given that

Q: Approximately 10.3% of high school students drop out of school before graduation. From a random…

A: Let p be the probability of high school students drop out of school before graduation  n=Sample  X…

Q: Match each set of odds with the probability that the team would win. Odds 2:3 V [ Choose ]…

A: We have given that the odds represent the chance given that a football team would win the state…

Q: (b) P(X 12) (o) Comperre the rosult in

A:

Q: a. What is the probability that an adult over 40 years of age is diagnos ad as having Cancer ? b…

A: here define events adult has cancer  = C doctor diagnosing person as positive  = T p(C )=  0.05 p(C…

Q: A TV report conducted a survey of 908 people in Phoenix metro area and found that 28% of the…

A: Given that  Sample size n =908 Sample proportion p^=28%=0.28

Q: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c = 0.98, o…

A: Given that ; Critical value (c) = 0.98 Margin of error (E) = 2 ? = 5.2 Find sample size ( n) = ????…

Q: Assume that there is a computer program that produces random numbers from Unif (0,1). Explain how…

A:

Q: 4. Assume it is equally likely that a child is born a boy or a girl. a. Draw a tree diagram and list…

A: Here we have assumed that it is equally likely that child is born a boy or girl

Q: Determine the mean or expec o each Random Variabte- 10 20 PC+) 50% 12% 38 %

A: From the given information, t 5 10 20 P(t) 50%=0.50 12%=0.12 38%=0.38

Q: if 4 cards are selected from a standard deck of 52 cards without replacement, find probability at…

A: It is known that Number of cards in a deck = 52 Number of kings = 4 Sample size = 4

Q: 36. The SAT scores for the student population in 2021 has a population mean of 1400 with a standard…

A: Given that  Population mean=1400  Population Standard deviation=135 Sample size=81

Q: Direction: Read each item carefully. Choose the letter of the correct answer and write it on your…

A: As per our guidelines we are supposed to answer only 3 subpart of any questions so i am solving…

Q: If Z~N(o,1) find: P(Z<2) P(z<-1) P(z<2.25)

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

Q: 2. Supposed the prevalence of Sudden infant death syndrome (SIDS) is 0.01%. At a local Maternity…

A: