probability that at least 13 of them need correction for their eyesight. Is 13 a significantly high number of adults requiring eyesight​ correction?

Q: A study indicates that 73% of cars have have satellite radio. You randomly sample 8 cars. Find the…

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

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: A survey showed that 75% of adults need correction for their eyesight. If 8 adults are randomly…

A: Given that 75% of adults need correction for their eyesight. There are 8 adults in the study. Let us…

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: if probability of choosing a red chip from a bucket is 0.36, what is the probability of not choosing…

A: Answer: From the given data, The probability of choosing a red chip from a bucket is 0.36 P(a red…

Q: ility that a randomly selected individual will contract horribulitis is 0.2. If a random sample of 8…

A: Given: p = 0.2 n = 8 x=2

Q: The Newspaper reports that among individuals in the 40 to 50 age, 45% drink coffee. If 200 people of…

A: Givenp=0.45n=200let "x" be the number of coffee…

Q: If the probability of choosing a red chip from a bucket is 0.4, What is the probability of not…

A: We have the probability of choosing a red chip from a bucket is 0.4

Q: Find the probability that more than 20% of the sample are from poverty-level households.

A: Given,sample size(n)=300sample proportion(p^)=0.22

Q: A student has a 30% chance of getting a particular professor for a class. What are the odds of…

A: From the provided information, There is 30% chance a student getting a particular professor for a…

Q: If one of the subjects is randomly selected, find the probability of selecting someone who lied or…

A: If there are n mutually exclusive, exhaustive and equally likely outcomes of a random experiment and…

Q: The centers for disease control reported that 16% of college aged individuals used vapes in…

A: Given information Probability of using vapes = 0.16 No of individuals n = 750 Probability that less…

Q: It is known that 10% of adults can pass a fitness test. What is the probability at most 12 adults in…

A:

Q: According to a study conducted by the Gallup organization, the proportion of Americans who are…

A: It is an importance stance in probability distribution . Binomial distribution is a discrete…

Q: A student has a 40% chance of getting a particular professor for a class. What are the odds of…

A: Step 1: Identify the formula for odds given probabilityOdds (A) = P (A) / [1 - P (A)]  Step 2:…

Q: Suppose the probability of purchasing a defective smart phone is 0.04. What is the probability of…

A: Introduction: Denote X as the number of defective smart phones obtained in a purchase of 20 smart…

Q: f the probability of choosing a red chip from a bucket is 0.41, what is the probability of not…

A: The probability of choosing a red chip from a bucket is 0.41.

Q: A survey showed that 81​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for…

A:

Q: A biologist estimate that 70% of the deer carry a type of tick. For a sample of 300 deer random,…

A: Given P=70% n=300

Q: VOTE VOTE VOTE Candidate A. Based on this, estimate what proportion of the voting population (p)…

A: Given,   The sample proportion is,

Q: Children have a  1 in 2500 chance of being born with Cystic fibrosis and children have a 1 in 10000…

A: P(cystic fibrosis) = 1/2500 P(phocomelia) = 1/10000 Formula : P(either A or B) = P(A∪B) = P(A)+P(B)…

Q: A survey showed that 81% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: Obtain the probability that no more than 1 of them needs correction for their eyesight. The…

Q: A traffic control engineer reports that. 75% of the vehicles passing through a checkpoint are from…

A: Given that  75% of the vehicles passing through a check point are from within the state. So the…

Q: 13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the…

A: The mean and the standard deviation of the sampling distribution of the sample proportion is,

Q: (c) Find the probability that more than 68% of the sampled adults drink coffee daily. The…

A: The information provided in the question is as follows :-Sample size Also from the answers in part…

Q: The probability of passing the bar exam in a certain state is 2/3. If 10 people passed the test at a…

A: It is given that probability of passing the bar exam in a certain state is 2/3. Therefore, the…

Q: If you select a random sample of 25 smartphone​ owners, what is the probability that the sample…

A: The number of apps used per month by smartphone owners is normally distributed with average of 16…

Q: A survey showed that 84​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for…

A: The density function of binomial distribution is:

Q: There is about a 10% chance of being left- handed. If there are 25 students in a class, find the…

A:

Q: find the probability that at least 7 of them need correction for their eyesight. Is 7 a…

A: Let , X be the number of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their…

Q: A recent study reported that the prevalence of hyperlipidemia is 30% in children. If 12 children…

A: Probability of Hyperlipidemia(p) = 0.3Total number of children(n)=12Number of children suffering…