It is known that​ 35% of students change their major in college. In a random sample of 500​ students, what is the probability that more than​ 36% of these students will change their ​major?   A. 0.2000   B. 0.6808   C. 0.0176   D. 0.3192

Q: A survey of California community college statistics students were asked their student status and…

A: The table shows the student status and type of class.

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 49…

A:

Q: Historically, the final exam for an introductory statistics course has had a 75% pass rate. Suppose…

A: From the provided information,p = 0.75n = 250

Q: 33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 45…

A: Note: Hey, since there are multiple subparts are posted, we will answer first three subparts for…

Q: According to the National Center for Education Statistics, 17% of all people in the United States,…

A:

Q: According to FBI data 12% are cleared. What is the probability that the detective clears five…

A: Binomial distribution : A Binomial is a type of distribution which has two possible outcomes. i.e.,…

Q: What is the probability a randomly selected worker does not drive a car to work?

A: Here we have given the information, According to the U.S. Census Bureau, the probability a randomly…

Q: Suppose that 21% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Suppose that the probability that a child living in an urban area in the United States is obese is…

A: From the given information p = 0.20 and n = 15.

Q: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

A: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: Given,n=10p=0.15q=0.85A random variable X~Binomial(n=10 , p=0.15)P(X=x)=Cx100.15x0.8510-x    ;…

Q: Approximately 6% of American drivers d not text while they drive. Suppose you are working with a…

A: It is given that the proportion of American drivers do not text while they drive (p) is 0.06 and the…

Q: A sociology teacher asked her students to complete a survey at the beginning of the year. One survey…

A:

Q: what is the probability that one randomly selected person will have average income between $72000…

A: From the above calculation we have  Mean= µx̅ = µ = 75847Standard deviations (σx̅ ) =3200

Q: Fourteen percent of people in Western countries consider themselves lucky. If 3 people are selected…

A:

Q: what is the probability that greater than 12.72% of them ended up dropping out?

A: Let p be the dropout rate of high school. Given that, Population proportion (p) = 10.28% = 0.1028 q…

Q: What is the probability that 8 adults selected at random from the town all have health insurance? G

A: It is given that the random variable X i.e, health insurance follows Binomial distribution with…

Q: Suppose the prevalence of alcoholism among college students is 20% among those living in group…

A: It is given that the prevalence of alcoholism(A) among college students is 20% among those living in…

Q: Part-time Full-time Total No Gym Membership 16 48 64 Gym Membership 11 55 66 Total 27 103 130   A…

A: The given summary table is, The probability that the student has a gym membership and they are part…

Q: In a poll conducted on February 3 through 18 in 2021  41% of the United States was found to be…

A: From the provided information,41% of the United States was found to be Independent in political…

Q: According to the Federal Insurance Agency statistics, the proportion of teenage drivers between the…

A: It is given that n=100 and p=0.54.

Q: 5. The Gallup Poll once asked an SRS of 1540 adults, "Do you happen to jog?" Suppose 15% of all…

A: We have to find probably using z table

Q: In a poll conducted on February 3 through 18 in 2021  41% of the United States was found to be…

A: According to the given information,Probability of success, p = 41% = 0.41Sample size, n = 10Let X be…

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

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: An experiment tested a tree fertilizer on a large number of elm and oak trees to see whether it…

A: Given that   Positive  Negative  Total Oak 73 45 118 Elm 102 27 129 Total 175 72 247

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.