According to the American College of Obstetricians and Gynecologists, 22% of all births in the U.S. take place by Cesearean section. Suppose that a random sample of 15 births is selected. Find the probability showing all work that: a) exactly 4 are C-section.

Q: Assume that when adults with smartphones are randomly selected, 37% use them in meetings or classes.…

A: It is given that the When adults with smartphones are randomly selected, 37% use them in meetings or…

Q: particular industry has 720 employees. When the employees were asked what position they occupy, 27…

A: Given data,Total no of employees n=720manager=27technician=102director=9engineer=35Line…

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: Given p=0.55 and n=25 Let X be the adults using smartphones in meetings and classes X ~ B(n, p)…

Q: Assume that when adults with smartphones are randomly​ selected, 47​% use them in meetings or…

A:

Q: Suppose that a standard die is rolled. Draw a Venn diagram and use it to calculate the given…

A: Given, Suppose that a standard die is rolled.  A number greater than 2 or an odd number. Let the A…

Q: Of the people who fished at Clearwater Park today, 40 had a fishing license, and 10 did not. Of the…

A: Given          Clearwater park= 40 people license                                and 10 people no…

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: Given , n = 9 ,  p = 0.39  Let , random variable X be the number adults use there smartphones in…

Q: A poll is given, showing 65% are in favor of a new building project. If 5 people are chosen at…

A:

Q: Assume that when adults with smartphones are randomly selected,49% use them in meetings or classes.…

A:

Q: What is the maximum number of people in a gathering such that the probability of two people having…

A: For simplicity let us assume that there are always 365 days in the calendar year (thus let us ignore…

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

A:

Q: An ENGDATA class for engineers consists of 5 industrial, 10 electronics, 12 mechanical, 10…

A: There are total (5+10+12+10+8)=45 students.  Among them (12+10)=22 are mechanical or electrical…

Q: Assume that when adults with smartphones are randomly​ selected, 46% use them in meetings or…

A:

Q: Of the nine members of the board of trustees of a college, five agree with the president on a…

A: Note: As per Bartleby’s guideline for more than one questions only first is to be answered please…

Q: From a group of graduate students including 21 men and 11 women, 26 are chosen to participate in an…

A: Given Information: Number of men = 21 Number of women = 11  Total  = 21 +11 =32

Q: Assume that when adults with smartphones are randomly​ selected, 39​% use them in meetings or…

A:

Q: An urn contains 7 white balls, 4 red balls, and 4 blue balls. What is the probability of selecting 9…

A: Given that  An urn contains White balls = 7 Red balls = 4 Blue balls = 4 Total balls in urn = 7 + 4…

Q: A spinner is split up into 4 colored areas of the same size: red, blue, green, and yellow. The…

A:

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given,n=6p=0.54q=1-p=1-0.54=0.46X=No.of adults use their smartphones in meetingsor…

Q: A six-sided die with A, B, C, D, E and F written on it is rolled once. Determine the probability…

A: In A, B, C, D, E, and F, the consonants are B, C, D, F. So there are 4 consonants in the 6 letters.…

Q: There are 8 black bals and 6 red balis in an urn, If4 bals are drawn without replacement, what is…

A: Here Ball is not replaced after drawing  so We have to Use hypergeometric Model for this Scene  Here…

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: According to the provided information, p=0.43 n=10

Q: According to ctia, 41% of all US households are wireless-only households. In a random of 20…

A: Given, random of 20 households i.e., n=20 p=41%=0.41 q=1-p=1-0.41=0.59

Q: According to a survey, 87% of all U.S. households own a TV set. In a random sample of 22 households,…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 47​% use them in meetings or…

A: Given data Probability that adult with smartphones will use them in meetings  = 0.47 Number of…

Q: assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A:

Q: Assume that two balls are being drawn without replacement from the urn tot he rigth. What is the…

A: There are total 18 balls in the given urn.  We can pick the first ball in 18 ways and the second…

Q: Given a class of 12 girls and 10 boys please answer these questions containing to these questions…

A: There are 22 students in a class out of which 12 are girls and 10 are boys.

Q: From a box containing five black balls and three green balls, three balls are drawn in succession,…

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Q: In one lottery, a player wins the jackpot by matching all five distinct numbers drawn in any order…

A:

Q: An ENGDATA class for engineers consists of 5 industrial, 10 electronics, 12 mechanical, 10…

A: Given: Total number of students=45Number of Industrial students=5Number of electronics…

Q: A poll is given, showing 75% are in favor of a new building project. If 6 people are chosen at…

A: ANS#-> Let the random variable X has binomial distribution  With parameter   n = 6   ,  p = 0.75…

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given: To find the probability that at least five people use thier smartphones in meeting and…

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 35​% use them in meetings or…

A:

Q: Of the nine members of the board of trustees of a college, five agree with the president on a…

A:

Q: A card is drawn at random from a deck of 52 playing cards. What is the probability that it is an ace…

A: There are 4 ace cards and 12 face cards in a deck of 52 playing cards.

Q: A player would win a game if they draw exactly 2 Aces or exactly 2 Kings in a hand of 5 cards from a…

A: To give the required probabilitynCr = n!r!(n-r)!

Q: Consider a collection of envelopes consisting of one red envelope, three blue envelopes, two green…

A: We have given that a collection of envelopes consisting of one red envelope, three blue envelopes,…

Q: An ENGDATA class for engineers consists of 5 industrial, 10 electronics, 12 mechanical, 10…

A: The number of industrial engineering student is 5. The number of electronic engineering student is…

Q: From a group of graduate students including 25 men and 22 women, 37 are chosen to participate in a…

A:

Q: In a certain​ lottery, an urn contains balls numbered 1 to 30. From this​ urn, 5 balls are chosen​…

A: Given, In a certain​ lottery, an urn contains balls numbered 1 to 30. From this​ urn, 5 balls are…

Q: From experience, the human resources director of a certain company estimates that, for a particular…

A: Let us assume that Q=qualified A=pass the selection process Given that P(Q)=80%=0.80 P(A|Q)=85%=0.85…

Q: (a) Suppose that 10 cookies are distributed among 5 distinct children, what is the probability that…

A:

Q: In a study by the Department of Transportation, there were a total of 89 drivers that were pulled…

A: a) There are total 89 drivers, among which 36 men were ticketed and 15 men were not ticketed.

Q: Of the 28 restaurants in an area, 4 serve one type of cuisine, 9 serve two different types of…

A: We have to find given probability.

Q: Assume that when adults with smartphones are randomly​ selected, 46​% use them in meetings or…

A:

Q: Find the probability that among the balls drawn, there is at least one ball of each colour.

A:

Q: Assume that when human resource managers are randomly​ selected, 38% say job applicants should…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 44​% use them in meetings or…

A: Probability that adult use their smartphones in meetings or classes = 0.44 Sample size, n = 9

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.