The probability that a birth will result in twins is 0.025. Assuming independence (perhasph not a valid assumption), what is the probability that out of 40 births in a hospital, there will be at most 3 sets of twins

Q: A card is selected at random from an ordinary deck of playing cards. What is the probability that…

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Q: The probability of tails landing up when you flip a coin is 1/2 . What is the probability of getting…

A: Given,Probability of tails landing up when you flipa coin is (P(T))=12.

Q: Pizza House offers 2 different salads, 5 different kinds of pizza, and 3 different desserts. How…

A: From the provided information, Pizza house offers 2 different salads, 5 different kinds of pizza and…

Q: A large rank contains 100 gal of brine in which 10 ib of salt is dissolved, Brine containing 0.2 Ib…

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Q: 33 Given the z value, find the are under the normal curve for the given parameter: To the left of z…

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Q: Big babies: The National Health Statistics Reports described a study in which a sample of 354…

A: We have given thatSample size (n) = 354Sample mean (x̅) = 25.8Standard deviations (s) = 5.3…

Q: vi). Assume there are 6 marbles in a bag: 3 black marbles and 3 white marbles. What is the…

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Q: 1 Find the cumulative distribution function for the probability density function f(x) = 18 on the…

A: We have given that the probability density function is  f(x) = (x/18)-(1/36),      [3, 7]

Q: Let X and X1, X2, ... be random variables. Then |Xn – X| 1+|X, – X| X, 4 X as n →∞ → E 0 as n → 0.

A: Solution: From the given information, X and X1, X2 …be random variables.

Q: Amanda buys a bag of cookies that contains 6 chocolate chip cookies, 7 peanut butter cookies, 7…

A: Given that 6 chocolate chip cookies, 7 peanut butter cookies, 7 sugar cookies and 6 oatmeal raisin…

Q: Example 28. Draw a histogram, a frequency polygon and a smoothed frequency curve from the following…

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Q: 3. Find rank correlation co-efficient and comment Marks in Mathematics (x): 60 70 50 40 80 90 85 96…

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Q: In a random sample of 400 students at a university, 336 stated that they were nonsmokers. Based on…

A: We have given that,  Favorable cases (X) = 336 and sample size (n) = 400 Then,  We will find the 90%…

Q: If the probability of busy time from a mobile phone connection is p=0.04. To find out that 4…

A: Probability distribution describes all possible values that a random variable can take within the…

Q: a. Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed? b.…

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Q: If P (B)=0.6, find P P(B©). P(B©)= %3D

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Q: a. .there are no restrictions? b. ..all the pies chosen are of the same type? c. ..all the pies…

A: Here use combination and total arrangement

Q: 2. Calculate the quartile deviation and its co-cfficient from thec following data. С. I.: 10-15…

A: We have given that,  C.I :- 10-15, 15-20, 20-35, 25-30, 30-35, 35-40, 40-45, 45-50 f :- 4, 12, 16,…

Q: even coins whose faces are marked 1 and 2 are ing a total of 10. flipped. Find the probability

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Q: Refer to the Venn diagram for events a abs B in an equally likely sample space S. Find the indicated…

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Q: For an investigation into alcohol drinking habits, a random sample of men aged 16 to 90 is obtained.…

A: The random variable age group follows normal distribution. We have to construct 99% confidence…

Q: A researcher wants to estimate the proportion of depressed individuals taking a new anti-depressant…

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Q: An ice cream shop offers 4 different flavors. It also offers a choice of 3 different cones, and a…

A: Given: 4 different flavors 3 different cones 3 different sprinkles here we use combination formula:…

Q: 2. How many distinct permutations can be formed from all the letters of the word THREE?

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Q: Q. 25 Construct Fisher's Index number of the following data Base Year Current Year Commodity Price…

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Q: a. A coin is tossed 3 times. Find out the number of outcomes. b. In how many ways can the letters of…

A: here use counting principle

Q: 22 Consider the PINS made from exactly three symbols chosen from the 26 letters of the alphabet with…

A: We have given the following statement about the PIN made from exactly  three symbols choosen from 26…

Q: what is theprobability that itwill operate measure rain water?

A: here given , The rain gauge in different location R1, R2, R3, R4and R5will operate 0.30, 0.45, 0.25,…

Q: In a poll of 150 randomly selected U.S. adults, 75 said they favored a new proposition. Based on…

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Q: Determine the sample size necessary under the following conditions. a. To estimate u with o = 44, E…

A: As per our guidelines we are suppose to answer only one question. Given,σ=44 ,…

Q: 4. r=-0.2969 and n= 10 Find Σα

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Q: Answer the following questions: 1. How many students joined the Math Camp? 2. How many students…

A: Here use given venn diagram

Q: In a sample of 250 college seniors, 205 responded positively when asked if they have spring fever.…

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Q: 6. A sample of 5 fathers and their eldest sons gave the following data about their weight in Kgs.…

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Q: PAGASA is planning to place at five rain gauge in different locations within Metro Manila. The rain…

A: Given information: No. of rain gauges (x)=05 Level of Rain gauge:…

Q: Consider the following random sample of diameter measurements (in inches) of 13 softballs. 4.84,…

A: Data given 4.84,4.71,4.86,4.9,4.71,4.72,4.72,4.78,4.71,4.83,4.69,4.68,4.73

Q: 4. Find the mean of the following distribution number of students present in the class different…

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Q: Mail Order A mail order company has a 7% success rate. If it mails advertisements to 636 people,…

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Q: We are interested in the relationship between mid-term exam scores and final exam scores. The Final…

A: From the above output  First option is correct (71.391, 71.768)

Q: Give the advantages and limitations of chain base indices.

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Q: A foreman for an injection-molding firm admits that on 52% of his shifts, he forgets to shut off the…

A: Let us define some events A : the forman forget to shut off the machine. B : the forman does not…

Q: Locate sufficient statistic in Poisson distribution for tack lembda

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Q: ologist reports a confidence interval of (2.2,4.0) when estimating the mean height (in centimeters)…

A: Given that  Confidence interval.  (2.2 , 4.0) Margin of error =E

Q: 3 Calculate the two line of regression for the following data. X: 1 2 3 4 5 Y. 3 6. 9. 12 15 Scanned…

A: Find regression lines  (1) y on x (2) x on y

Q: Determine mode graphically and verify this value with actual calculations. Profits (Rs) No. of shops…

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Q: Use the tree diagram below to predict the probability of flipping 3 coins and getting all heads or…

A: The number of coins flipped is 3.

Q: Example 2.19. Consider men who need to undergo a complicated surgery. The probability that they will…

A: In the given problem, the surgery is complicated as there is only 50% chance of survival for the…

Q: The spinner on the right is spun. Find the probability that it is an even number or a number greater…

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Q: Express the indicated degree of likelihood as a probability value.

A: here given, "You have one chance in ten of winning the race"

Q: The natural remedy echinacea is reputed to boost the immune system, which will reduce flu and colds.…

A: The given probability distribution table contains 5 observations and their probabilities. We have to…