63% of all students at a college still need to take another math class. If 41 students are randomly selected, find the probability that a. Exactly 27 of them need to take another math class. b. At most 24 of them need to take another math class. c. At least 27 of them need to take another math class.

Q: 60% of all students at a college still need to take another math class. If 4 students are randomly…

A: Givenp=0.60n=4x~Binomial(n=4,p=0.60)P(X=x)=(nx)×px×(1-p)n-x ; x=0,1...,n

Q: d. If 100 SAT scores are randomly selected, find the probability that they have a mean between 1400…

A: d. Z-score: The z score formula is, z=x¯-μx¯σx¯ In the formula, μx¯ is the population mean, σx¯ is…

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A:

Q: 77% of all students at a college still need to take another math class. If 5 students are randomly…

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Q: 70% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: Givenp=0.70n=39Let "x" be the no.of bald eagles survive their first year of…

Q: 70% of all bald eagles survive their first year of life. Give your answers as decimals, not…

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Q: 10% of all Americans live in poverty. If 30 Americans are randomly selected, find the probability…

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Q: 57% of all the town's residents own a dog and 63% own a cat. Of the dog owners 47% also own a cat.…

A: Given that, 57% of all the town's residents own a dog and 63% own a cat.  Of the dog owners 47% also…

Q: 80% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: I will use excel to solve this question.…

Q: Suppose you roll a standard 6 sided die and you record the number  from each roll. For each roll the…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution -: We have…

Q: 30% of all college students major in STEM (Science, Technology, Engineering, and Math). Round your…

A: answer By using given data,

Q: Exactly 2 of them need to take another math class.  b. At most 2 of them need to take another math…

A: Given that  n = 5 , p = 71% = 0.71 , q = 1 - p = 1 - 0.71 = 0.29 X ~ Binomial (n = 5 , p = 0.71) X:…

Q: At a used-book sale, 100 books are adult books and 155 are children's books. Of the adult books, 74…

A: The contingency table is given as : Adult booksChildren bookTotalNon…

Q: 75% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: Let the random variable X denote the no.of  bald eagles survive their first year of life and it…

Q: Allie plays on the varsity basketball team and makes 79% of her free throws. If she takes 12 shots,…

A: Given : p = 0.79 q = 1 - p = 1 - 0.79 = 0.21 n = 12 we have find P(x = 8) here, x follow a binomial…

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Q: A group of people were asked if they had run a red light in the last year. 220 responded "yes", and…

A: Here we need the probability that a randomly selected person has run the redlight. Given that 220…

Q: 62% of all Americans are home owners. If 44 Americans are randomly selected, find the probability…

A: Given  Sample size n=44, p=probability of all Americans are home owners  According to Bartleby…

Q: 61% of all students at a college still need to take another math class. If 4 students are randomly…

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

Q: At a used-book sale, 102 books are adult books and 150 are children's books. Of the adult books, 76…

A:

Q: There are 6 black and 10 white balls in a box. If three balls are drawn one after another at random…

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Q: 76% of all students at a college still need to take another math class. If 4 students are randomly…

A: Let 76% of all students at a college still need to take another math class. i.e. p=0.76 and 4…

Q: After giving a test to a group of students, below is the summary of grades by gender. A Male 9 10 16…

A: The total number of students is n(S) = 53.The number of students earned on A is n(A)= 20.

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.