A certain flight arrives on time 83 percent of the time. Suppose 175 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that   ​(a) at least 149 flights are on time. ​(b) fewer than 158 flights are on time (c) between 158 and 160​, inclusive are on time.   round final answers to four decimal places

Q: A group of people were asked if they had run a red light in the last year. 288 responded "yes", and…

A: Given,no.of people responded " yes"=288no.of people responded "no" =368Total no.of people=656

Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: Driver Intoxicated? Pedestrian intoxicated?       Yes No Total Yes 42 82 124 No 280 584 864…

Q: Find the probability a randomly selected z-score is between -1.4 and 2.3.  Round your result to 4…

A: We have to find given probability

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

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: A group of people were asked if they had run a red light in the last year. 206 responded "yes", and…

A:

Q: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: Neveah buys a bag of cookies that contains 5 chocolate chip cookies, 6 peanut butter cookies, 5…

A:

Q: Pedestrian Deaths river Pedestrian Intoxicated? kicated? Yes No Yes 62 73 No 284 560 of the…

A: Given The table summarizes results from 979 pedestrian deaths that were caused by automobile…

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: The table summarizes results from 987 pedestrian deaths that were caused by autornobile accidents.…

A:

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: Given that, The table summarizes results from 979 pedestrian deaths.

Q: A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 3…

A: Given: Password = 3 digit long Digit could be a number between = 0 and 4 so , that is = 0 , 1 , 2 ,…

Q: Assume that when adults with smartphones are randomly selected 52% use them in meetings or classes.…

A:

Q: Calculate the probability that one of the next 6,827 times the slot machine is played, a jackpot is…

A: Here given ,  The chance of winning a jackpot on a certain slot machine is 1/17500​  . Next 6827…

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. Assume…

A:

Q: If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was…

A:

Q: A group of people were asked if life exists elsewhere in the galaxy. 336 responded "Yes", and 400…

A: The number of people believe in existence of life elsewhere in the galaxy is 336. The number of…

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: A group of people were asked if they had run a red light in the last year. 262 responded "yes", and…

A:

Q: A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 5…

A: The password is 5 digits long and each of the digit could be a number between 0 and 3.

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Probability: The formula for probability of an event E is as follows: P(E) = (number of favorable…

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A: Given that  Number of trials n=5 Success of probability p=0.5 X~binomial (n,p)

Q: K Research has shown that approximately 1 woman in 500 carries a mutation of a particular gene.…

A: Solution is uploaded below

Q: ssume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: given data, p(use smartphones in meeting or classes)=p=0.45q=1-p=1-0.45=0.55n=8x= no. of smartphone…

Q: A hacker is trying to guess someone's password. The hac

A: There are 7^3 different codes of 3 digits long with the digits from 0 to 5 inclusively. They are…

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: The probability of winning the "grand prize" at a fortune spinning wheel is p=0.2. Assume you record…

A:

Q: A group of people were asked if they had run a red light in the last year. 146 responded "yes", and…

A: According to the given information, we have Total number of people = 146+112 = 258 146 responded…

Q: A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 5…

A: Please see below

Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: Total (231+611)= 842 cases involved drivers that were not intoxicated.  We can pick two cases from…

Q: A group of people were asked if they had run a red light in the last year. 278 responded "yes", and…

A: Given: Number of people run red light, n(A)=278 Number of people didn't run red light, n(B)=677…

Q: Q6. In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Given,n=20p=0.85q=1-0.85=0.15A random variable X~Binomial(n=20 , p=0.85)P(X=x)=20x0.85x0.1520-x  ;…

Q: Assume that adults with smartphones are randomly selected, 48% use them in meetings or classes.  If…

A: Let "X" be adults who use their smartphones in meetings or classes.

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.