Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or classes. If 7 adult smartphone users are randomly​ selected, find the probability that at least 5 of them use their smartphones in meetings or classes.   I need to know the calculation to apply to excel please.

Q: If the mean number of serious accidents per year in a large factory is 4, find the probability that…

A: Obtain the probability that in the current year there will exactly 4 accidents. The probability that…

Q: 9. Sixty percent of all road accidents are due to distracted driving. In a random sample of 400…

A: Given Data: n=400 p=0.6 Let X be the random variable of number of accidents. Using Central Limit…

Q: The New York Times reported that 70% of adults know someone who has been exposed to coronavirus.…

A: Givenp=0.70n=20Let "x"be someone who has been exposed…

Q: Find the probability that more than 19 weeks pass between accidents.

A:

Q: List as many phrases as you can that describe the chance or probability of an event happening. Then,…

A: We have to list some phrases which describe chance or probability of an event happening.    Also…

Q: There are 5000 people in a village. 2000 were diagnosed sick. I am wrong 20% of the time. If you are…

A:

Q: Please discuss the main ways to determine probability

A: It is needed to discuss different ways of determining the probability.

Q: A study indicates that 67% of students have have a laptop. You randomly sample 7 students. Find the…

A: Given that, The random variable X students have a laptop The probability of success is 0.67 p=0.67…

Q: A polling agency claims that over 40% of adults shop for a gift within a week of an event.  In a…

A: We have given that p = 40% = 0.40  n = 2730x = 1130p̂ = x/n = 1130/2370 = 0.4139Significance level…

Q: A researcher knows that number of people having a rare gene is on average 0.5 per  1000 people. Find…

A: Given that  The number of people having a rare gene is on average per 1000 people = 0.5 The number…

Q: At the college of science department in a university, 150 were surveyed and 20 of them were found to…

A:

Q: In any given sampling, there is a 54% chance that a new invasive fish to be sampled along with other…

A: Probability: Probability is a chance factor that can occurs at every outcome of a random experiment.…

Q: randomly drawn from a deck of 52 cards with replacements 3456 times. Find the mean of the number of…

A: The probability of drawing heart from deck in one trail will be: p= Probability of hearts = 1352…

Q: The average price for an acre of land in Texas is  N(2700, 7802)  in dollars. Jaime will survey 121…

A: Given Let the price of the plot be X X~N2700,7802Sample size, n=121

Q: A survey of 2390 musicians showed that 398 of them are left-handed. Find a point estimate for p, the…

A: We have find population left handed..

Q: The National Safety Board predicts that 500 people will be killed and another 25,000 will be injured…

A: Assume that p as the true proportion of all accidents.

Q: According to recent data, 33% of people are left handed. In a sample of 200 people, how many would…

A: Answer: From the given data, Let X: Left handed people Sample size (n) = 200 P(left handed people) =…

Q: Please no written by hand solution and no img  In a random survey of 40 algebra 1 students at A&M…

A: Number of students who love their math class = 30 Total number of students surveyed = 40

Q: Out of 200 students, 86 use fb, 68 insta, and 29 use both. How many students surveyed use neither fb…

A:

Q: On average, commercial on HULU last 2.5 minutes. What is the probability that Julio will wait…

A:

Q: Please provide 25 formulas in Probability and Statistics.

A: Please find the formulae below. Thank you for choosing Bartleby.

Q: Recent crime reports indicate that 3 motor vehicle thefts occur each day in Ankara. What is the…

A:

Q: On average, Metro Manila is hit by 10 typhoons a year. There is a fifteen percent chance that Metro…

A: It is given that on average Metro Manila will hit typhoons a year by 10.

Q: The president of a local community college announced that the average age of students attending the…

A: Answer may vary, one of the possible answers is given below:It is given that the average age of the…

Q: P3 Harvard students graduate with honors =

A: Let , X be the number of Harvard students graduate with honors Here , X→B(n=3 , p=0.48) The…

Q: ou toss a six sided die three times. Calculate the probability that you will toss three consecutive…

A: Introduction: It is assumed that the die is fair, so that all six sides have equal probability, 1/6,…

Q: Use 4 digit On average 1.2 customers per minute arrive at an airline desk during the peak period.…

A:

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: The probability of this event is independent of each other of final probability will be the product…

Q: 62 out of 136 people suffered some type of depression last year. Find the probability that if you…

A: Given n=5

Q: The average number of tesla cars that you can see on your drive to work is 20. What is the…

A: Answer: From the given data, X~Poisson distribution(λ) (λ) = 20

Q: Write a set of 6 unique number that is skewed to the left And had a mean of 6 and Median of 8

A: Introduction: It is required to create a set of 6 unique numbers, such that the distribution is…

Q: terback completes 67% of his passes, what is the probability that he will not complete his

A: A: The quarterback will complete passes The probability of passing is  P(A) = 0.67

Q: The average price for an acre of land in Texas is  N(2700, 7802)  in dollars. Jaime will survey 121…

A:

Q: It is expected that during cricket world cup the probability that as serious trouble maker will try…

A: probability that as serious trouble maker will try to disrupt a cricket match is 6 % probability…

Q: When students leave out a digit when entering an expression into their calculator some students…

A: The objective of this question is to determine whether the data provides convincing evidence that…

Q: A card is randomly drawn from a deck of 52 card with replacement 456 times. Find the mean of the…

A: Total number of cards = 52 Number of hearts = 13 Let p = P(heart)= 13/52 = 1/4 = 0.25

Q: A survey found that 58% of American adults said they use the Internet. If 20 American adults are…

A: Answer - A survey found that 58%   i.e P = 0.58               n= 20,    x = 12

Q: The National Center for Educational Statistics reported 82% of freshman entering public high schools…

A:

Q: According to the National Center for Health Statistics in Vital Statistics of the US, there is…

A: In this case, each of the individuals of aged 20 has the only option of "being alive at the age of…

Q: Uberya Towing Services repair vehicles that break down at an average 7.5 vehicles per day. The…

A: The following information has been given: The average value λ(arrival rate)=7.5 per day. The value…

Q: A test consists of 84 true/false questions. To pass the test, a student can only miss 10 or fewer…

A: Given, A test consists of 84 true/false questions. To pass the test, a student can only miss 10 or…

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.