My junk drawer at home contains half a dozen screw drivers. Two of the screw drivers are flat head. What is the probability of drawing a screw driver that is not a flathead?
Find answers to questions asked by students like you.
Q: On an American roulette wheel, what is the probability that the ball lands on a red space?
A: Click to see the answer
Q: About one-fifth of the population of a town has blue eyes. About two-sevenths of the population has…
A: Click to see the answer
Q: If the car has a navigation system and is silver, what is the probability that it is a Aston Martin?
A: It is a problem of Conditional Probability.
Q: the phrase " Terrace Park Wolves Rules", what is the probability that the consonant is randomly…
A: Given data: The provided phrase is: Terrace Park Wolves Rules Number of consonants in the phrase is,…
Q: The results of a recent television survey of American TV households revealed that 80 out of every…
A: Given number of success (x )= 80 sample size(n) =100
Q: A recent Kellogg survey shows that approximately 34% of Americans eat breakfast. Suppose Alex takes…
A: Solution
Q: At Riyadh 5% of all students play football and basketball, 32% of all students play football. What…
A: Explained below
Q: At Riyadh 5% of all students play football and basketball, 32% of all students play football. What…
A: Let ,A=all students play foot ballB=all students play basket ballgiven,P(A)=0.32P(A∩B)=0.05
Q: At Riyadh 5% of all students play football and basketball, 32% of all students play football. What…
A: Let F indicates football players B indicates Basketball players Given: 5% of all students…
Q: At Riyadh 5% of all students play football and basketball, 32% of all students play football. What…
A: Let , A=all students play foot ballB=all students play basket ballgiven,P(A∩B)=0.05P(A)=0.32
Q: In a recent study nationwide, it was found that 52% of people like college football better than…
A: Answer: Given that: p= 0.52 , n= 2 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…
Q: Given a randomly select college student is interested in finance, what is the probability that this…
A: Let us define some events A : student majors in STEM. B : student majors in non-STEM E : student is…
Q: According to government data, the probability that an adult was never in a museum is 15%. In a…
A: The probability density function of binomial distribution is: Here, p=0.15, n=10.
Q: From experience, the manager of Kramers Book Mart knows that 40% of the people who are browsing in…
A: Sample size, n =10 Probability = 40% = 0.40
Q: What is the probability that Larry Bird makes exactly one of his two free throws?
A: Let p be the probability that Larry bird makes free throw. Given that p = 0.50 Let X denote the…
Q: In the past 20 races, there was two A-class horses to participate in each race. And there was ten…
A: two A class horses participate in each race but only one can win championship. and out of 20 races…
Q: if a new oil filter is needed, what is the probability that the oil has to be changed?
A: Click to see the answer
Q: The US population is 13% African American. If you were to take a SRS of 500 Americans, what is the…
A: It is given that the sample size n is 500 and p hat = 0.13.
Q: In a recent study nationwide, it was found that 41% of people own dogs. If you pick two people at…
A: Given that It was found that 41% of people own dogs. P(Dog) = 41% = 0.41 We know that…
Q: If an athlete is tested negative, what is the probability that he/she uses steroids?
A: Here define events and draw probability tree for represent the events Test Result positive = T…
Q: If an athlete is tested negative, what is the probability that he/she uses steroids?
A: Let us define some events A : an athlete uses steroids. B : an athlete does not use steroids. E : an…
Q: On a five-day vacation, the forecast is a 55% chance of rain every day. What’s the probability that…
A: Let p denote the probability of rain every day = 0.55 Let n be days in an vacation = 5 Let the R.V X…
Q: What is the probability that Erin will not have a heart attack and the test predicts that she will?
A: Given, On discovering her family had a 70% risk of heart attack, Erin took a treadmill test to check…
Q: You toss a fair coin three times: What is the probability of three heads, HHHHHH? What is the…
A: You toss a fair coin three times:
Q: It has been found from experience that there is an average of four faults per 50 metres of cloth…
A: Let us assume: X=the number of faults per 50 meters of cloth produced by a linen factory. Mean= 4 X…
Q: What is the probability that a randomly sold television is with stereo?
A: Let us define some events A : television is of model A. B : television is model B. C : television is…
Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…
A: Click to see the answer
Q: A company set up a kiosk in the Mall of America for several hours and asked randomly selected people…
A: There are 10 white color, 20 black color, 25 lime color, 35 orange, and 10 red color phones.
Q: When they each arrive in turn to take the exam, they find that it consists of a single question,…
A: The probability of choosing a Tyre out of four tyres = 14This implies that We need the probability…
Q: . Find the probability of getting someone in the 22-29 age bracket or someone who refused to…
A: Given that A pollster contacts 90 people in the 18-21 age bracket and finds that 76 of them respond…
Q: Given that he answers a question correctly, what is the probability that he actually knows the…
A: Let us define some events A : student knows the answer. B : student does not know the answer. E :…
Q: A recent poll found that 30% of those surveyed are worried about aggressive drivers on the road. If…
A: Click to see the answer
Q: A fuel company conducts a geologic survey that has a 20% chance of striking an oil reserve. What is…
A: Given,A fuel company conducts a geologic surveythat has a 20% chance of striking an oil reserve
Q: thirteen percent of adults are left handed. in a group of 30 adults, what is the probability of…
A: Let X=the number of lefty n=number of trials= 30 p=probability of success= 13%=0.13 X follows a…
Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…
A: Given: p = 0.2 q = 1 - p = 1 - 0.2 = 0.8 and r = 3
Q: What important skills did the people develop in getting the probability?
A: Given: The objective is to write important skills that the people develop in getting the…
Q: what is the probability all three would be smokers?
A: Let , X be the number of smokers Here , X→B(n=3 , p=0.20) The probability mass function of X is ,…
Q: what is the probability you will get a turkey sandwich, an apple, and a bottle of water in your box?
A: Click to see the answer
Q: A physician said that 42 percent of his patients have allergic reaction to antihistamine. What is…
A: Click to see the answer
Q: At Dolon General Hospital, 20 percent of the patients have Medicare insurance (M) while 80 percent…
A: Given problem Given that At Dolon General Hospital, 20 percent of the patients have Medicare…
Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…
A: The probability that more than three of the visitors will purchase milk is obtained below: From the…
Q: What is the probability that when two dice are rolled, the sum of the numbers on the two dice is 11…
A: Thanks for the question :)And your upvote will be really appreciable ;)
Q: What is the probability that when two dice are rolled, the sum of the numbers on the two dice is 11…
A: Since , we are not given any other information about the dice so we are assuming the given dice to…
Q: If you roll a normal 6 sided die what would be the theoretical probability of rolling a 1 or a 2
A: Given: The total number of sides in dice is 6.
Q: What is the probability that when two dice are rolled, the sum of the numbers on the two dice is 5?
A: Since you have submitted two questions, we'll answer the first question. For the second question…
Q: Police records show that for a certain area in Arendale, when the driver of a car double parks, 60%…
A: Let X be the number of not allowed towed away Let p be the probability of towed away=0.6 q be the…
Q: A politician running for Senate in California claims that only 34% of Californians approve of the…
A: Obtain the probability that more than 40% of those surveyed approve of the competitor. The…
Q: If you throw a single die twice, what's the probability of first getting a 3 and then getting…
A: Click to see the answer
Q: Police records show that for a certain area in Arendale, when the driver of a car double parks, 60%…
A: Click to see the answer
Q: what is the probability that a randomly selected college student has neither a dog nor HBO?
A: Given p(students with dogs )=0.12 P(students with Hbo subscription )=0.28 P(students with neither a…