One prominent physician claims that 70% of those with lung cancer are chain smokers. If his assertion is correct,  (a) find the probability that of 10 such patients recently admitted to a hospital, fewer than half are chain smokers: (b) find the probability that of 8 such patients recently admitted to a hospital, fewer than half are not chain smokers. (ROUND OFF YOUR FINAL ANSWER TO FIVE DECIMAL PLACES)

Q: Suppose 56% of the children in a school are girls. If a sample of 428 children is selected, what…

A: The given values are:Proportion of girls in the population (p) = 56% = 0.56Sample size (n) =…

Q: From experience, the manager of Kramer's Book Mart knows that 60% of the people who are browsing in…

A: Given,n=10p=0.6q=1-0.6=0.4A random variable X~Binomial(n=10 , p=0.6)P(X=x)=Cx(0.6)x(0.4)10-x    ;…

Q: The survival rate during a risky operation for patients with no other hope of survival is 71%. What…

A: Given information- We have given a problem of the binomial distribution. Probability of survival, p…

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

A:

Q: According to the information that comes with a certain prescription drug, when taking this drug,…

A: Given Information: PN=0.24 PD=0.53 PN∩D=0.18

Q: The following data indicates the prize distribution for a small lottery of 500 tickets conducted at…

A: Total number of lottery tickets are 500. Given that 1 ticket has $1000 prize and 60 tickets have…

Q: The table below shows the results of a survey about a junk food tax. Support Oppose Unsure…

A: Given   Let A=person oppose the tax B=person is female

Q: A medical test is given to 1000 people, 53% of whom have diabetes. The test has a false positive…

A: Given that , a medical test is given to 1000 people, 53% of whom have diabetes. It's mean 530 people…

Q: It is estimated that 0.52 percent of the callers to the Customer Service department of Dell Inc.…

A:

Q: The table below shows the results of a survey about a junk food tax.     Support Oppose Unsure Male…

A:

Q: According to the information that comes with a certain prescription drug, when taking this drug,…

A: Here the given information is According to the information that comes with a certain prescription…

Q: Suppose that it rains in Spain an average of once every 15 days, and when it does, hurricanes have a…

A:

Q: Your company issues flight insurance. You charge $17, and in the event of a plane crash, you will…

A: Given, The probability of a plane crashing on a single trip was 0.00000276. An insurance company…

Q: A town has two fire engines operating independently. The probability that a specific engine is…

A: Given,The probability that a specific engine is availablewhen needed is 0.93

Q: Suppose 55% of the doctors in a hospital are surgeons. If a sample of 496 doctors is selected, what…

A: In hospital ,  There are 55% of doctors are surgeons  Sample size = N = 496  P(sample proportion of…

Q: 88, 89,-58,-52, 64, -100, 39, -98, -52, -34, 46, 47, 29, -8, 94 Send data to calculator se that…

A: We have given that,  X :- -88, 89, -58, -52, 64, -100, 39, -98, -52, -34, 46, 47, 29, -8, 94 Then,…

Q: It is estimated that 0.55 percent of the callers to the Customer Service department of Dell…

A: It is estimated that 0.55 percent of the callers to the Customer Service department of Dell…

Q: Suppose 57% of the population has a college degree. If a random sample of size 770 is selected,…

A: the pdf of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: A blood test for diabetes gives a positive result with a proportion of 0.18 when an individual has…

A: Given that :A blood test for diabetes gives a positive result with a proportion of 0.18 when an…

Q: In the US, 10.5% of the population is diabetic. What is the probability that in a random sample of…

A: Suppose p is the true proportion of diabetic people in the U.S.

Q: Consider the following scenario. An athlete who uses steroids will test positive with probability…

A: Solution: From the given information,

Q: The table below shows the results of a survey about a junk food tax.     Support Oppose Unsure Male…

A: The contingency table related to the results of a survey about the junk food tax is given…

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: The table below shows the results of a survey about a junk food tax.     Support Oppose Unsure Male…

A: From the provided information,   Support Oppose Unsure Total Male 152 391 19…

Q: According to the information that comes with a certain prescription drug, when taking this drug,…

A: From the provided information, There is 25% chance of experiencing nausea (N) so P (N) = 0.25 49%…

Q: The opera theater manager calculates that 32% of the opera tickets for tonight's show have been…

A: The opera theater calculates that 32% of the opera tickets for tonight's show have been sold. That…

Q: It is known that 70% of adult workers have a high school diploma.  If a random sample of 25 adult…

A: Here 70% of adult workers have high school diploma. From them a random sample of 25 adult workers is…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: According to the information that comes with a certain prescription drug, when taking this drug,…

A: Given ,  There is 21% chance of experiencing nausea (N).  i.e. P(N) = 21% = 0.21 There is a 40%…

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A: For a random sample of 500 adults, 54​% watch news videos.

Q: What is the probability that exactly seven out of 12 students have healthy cholesterol levels?

A: A group of 12 students' cholesterol levels are tested. Suppose the probability of a student having a…

Q: The Food Marketing Institute shows that 17% of households spend more than $100 per week on…

A: Given N=800 P=0.17

Q: Maggie is practicing her penalty kicks for her upcoming soccer game. During the practice, she…

A: Sample size, n = 10Probability , p = 65% = 0.65

Q: Meals are often served at a conference. At one conference: 50% went to breakfast 73% went to dinner…

A: According to the given information, we have P(breakfast) = 50%=0.50P(dinner) = 73% = 0.73P(breakfast…

Q: A sample of 400 adults were surveyed on their health. 78 of those studied have high blood pressure,…

A: Solution: Given that : Total people = 400No of people that are unwilling to change diet = 94

Q: A recent survey showed that 94 adults out of a sample of 500 have high blood pressure. However, 108…

A: The objective of this question is to find the probability that a randomly chosen adult from the…

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A:

Q: The table below shows the results of a survey about a junk food tax. Support Oppose Unsure…

A: Given Support Oppose Unsure Male 184 363 16 Female 291 358 28

Q: Vanessa is interested in purchasing the local coffee shop in a small town in Central California.…

A: