A local county has an unemployment rate of 7.9%. A random sample of 19 employable people are picked at random from the county and are asked if they are employed. The distribution is a binomial. Round answers to 4 decimal places. a) Find the probability that exactly 5 in the sample are unemployed.  b) Find the probability that there are fewer than 4 in the sample are unemployed.  c) Find the probability that there are more than 3 in the sample are unemployed.  d) Find the probability that there are at most 4 in the sample are unemployed.

Q: A committee of 4 is being formed randomly from the employees at a school: 4 administrators, 30…

A: Combination:   It is nothing but the selection of objects where the order of selection is not…

Q: The mean number of fires in an organized industrial district is one per week. If the records of 10…

A: The given data: Mean, λ=1  This follows Poisson distribution. PX=x=λxe-λx! Thus the probability that…

Q: Assume that when adults with smartphones are randomly​ selected, 60% use them in meetings or…

A:

Q: The probability that an adult possesses a credit card is .35. A researcher selects three adults at…

A: Givenp=0.35n=3x~Binomial(n=3,p=0.35)P(X=x)=Cxnpx(1-p)n-x    ; x=0,1....n

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

A:

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

A: Given, P(Adults using smart phones in meetings or classes)= p = 54% = 0.54 Sample size n = 5 exactly…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Number of diamond cards = 13 Number of heart = 13 P(selecting a diamond) = 1/13

Q: A warehouse employs 22 workers on first shift, 17 workers on second shift, and 10 workers on third…

A: Given,no.of first shift workers=22no.of second shift workers=17no.of third shift workers=10no.of 2nd…

Q: The probability that a glove will not crack in a smasso test is 0.70. What is the probability that…

A: The probability that a glove will not crack in a smasso test is 0.70. What is the probability that…

Q: Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes.…

A: Let X be the random variable from binomial distribution with probability (p) = 42% = 0.42 and sample…

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

A:

Q: A financial services committee had 60 members, of which 10 were women. If 9 members are selected at…

A: a. The probability that 7 men and 2 women are selected is 0.3041 and it is obtained below: From the…

Q: Two cartons selected from a standard deck of 52 playing cards. The first card is not replace before…

A: Given Number of cards=52 Number of 2's=4 Number of 8's=4

Q: at exactly 2 of them use their smartphones in meetings or classes.

A: Given that  39% of adults using smartphones in meetings or classes. P= 0.39 Random sample size (n) =…

Q: A local county has an unemployment rate of 6.5%. A random sample of 17 employable people are picked…

A: Proportion that local county has a unemployment rate(p)=0.065sample size(n)=17

Q: . In a five children family, find the probability that there will be 3 or more boys. a. 0.3125 b.…

A:

Q: Suppose we have a bowl with 15 marbles : 10 red, 3 green, and 2 blue. We randomly select 4 marbles…

A:

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: Of the cartons produced by a​ company, 9​%have a​ puncture, 3​% have a smashed​ corner, and 0.5​%…

A: Given : Let A : Cartons has a puncture P(A) = 9% = 0.09 Let B : Cartons has a smashed corner P(B) =…

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A:

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

A: Let us assume X= the number of persons who uses smartphones in meetings or classes n= number of…

Q: A local county has an unemployment rate of 7%. A random sample of 16 employable people are picked at…

A: the sample size n=16the probability of unemployment in the county p=0.07the probability of…

Q: Find the probability distribution for the number of heads that will occur when 5 coins are tossed

A: Given,  No of coins tossed = 5 Let x be the number of heads appeared during the tossing of 5 coins.…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: We have to find given probability..

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: Among 150 subjects with positive test​ results, there are 21 false positive​ results; among158…

A: According to the provided data, among 150 subjects with positive test results, there are 21 false…

Q: Natalie performed a probability experiment that involves multinomial distribution. She put the…

A: Given: Bag has 3 red chips 2 violet chips 2 blue chips 4 black chips. This is Simple Random…

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes.…

A: Let "X" be the adults who use their smartphone in meeting or classes. I will use excel formula…

Q: There are 14 red marbles, 9 white, and 10 black marbles in a box. What is the probability of…

A:

Q: 13) Approximately 59.4% of adults have added bleach to their laundry. Assume six adults are randomly…

A: Given n=6 P=0.594

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.

Q: In a large population, 67 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Let us denote X=the number of people who have been vaccinated n=sample size= 4 p=probability of…

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.