Suppose that you select a random sample of 200 pharmaceutical corporate managers and a study showed that the proportion held by women is 0.15,   What is the probability that in the sample less than 15% of the corporate managers will be women? What is the probability that in the sample between 13% and 17% of the corporate managers will be women? What is the probability that in the sample between 10% and 20% of the corporate managers will be women?

Q: About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults is…

A: given, p =0.13 n = 225 p^ = 0.071   To find, P (x < 0.071) = ?

Q: What is the probability that six or more adults from this sample were between 25 and 34 years​ old?

A: Given that  n = 9 , p = 25% = 0.25 , q = 1 - p = 1 - 0.25 = 0.75 X ~ Binomial (n = 9 , p = 0.25) X =…

Q: How many people out of 12 people do you expect to be taller than 6ft.?     Now if you keep on…

A: Let X be the number of people over 6 ft with probability p= 10% =0.1  1): number of people selected…

Q: Suppose that 15% of college professors suffer from mental illness. What is the probability that if…

A:

Q: According to data from EKU, 85.14% of all EKU students were undergraduates in  Fall 2017. Suppose…

A: The sample size is 200 and the population proportion is 0.8514.

Q: suppose that 10% of people are left handed. if 9 people are selected at random, what is the…

A: The random variable is left handed people. It follows binomial distribution. The sample size is 9.…

Q: What is the probability that fewer than three adults from this sample were between 25 and 34 years​…

A: Given that

Q: aple of fifty college students, what is the probability that at least forty of them participate in a…

A:

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

A:

Q: Of 500 employees at a university, 45% are female. A sample size of 60 employees is chosen at random.…

A: Note: Use the finite correction factor if n/N is greater than 0.05. Therefore, the Finite…

Q: Consider the probability that ta least 25 out of a sample of 1200 people will use the emergency room…

A: Given the large sample size and the binary nature of the outcome (either a person uses the emergency…

Q: What is the probability that a randomly selected student from the course will fail? If a student…

A: Define the following events:   A: students are light studiers B: students are moderate or heavy…

Q: Suppose the first generation Apple iPad has 5% chance of being defective. What is the probability…

A: From the provided information, Apple iPad has 5% chance of being defective that is p = 0.05 Sample…

Q: If 10% of the population has a certain characteristic, what is the probability that in a random…

A: n = 10, p = 10% = 0.10, q = 1 - p = 1 - 0.10 = 0.90X ~ Bino(n = 10, p = 0.10)Let X be the number of…

Q: study of people who wear glasses at a certain company was done and included 100 people in the 18 -…

A: Given that   Ware glasses Not ware glasses  Total Age 18-22 37 63 100 Age 23-30 45 70 115…

Q: There is an 85% chance that a randomly selected person will take their own re-usable bags to the…

A: We have given that p = 85% = 0.85n = 20 Here we will use binomial distribution because probability…

Q: A recent study suggested that 70% of all eligible voters will vote in the next presidential…

A: Given Information: 70% of all eligible voters will vote in the next presidential election i.e., p =…

Q: What is the probability of selecting one person at random who is a smoker?

A: From the provided information, Total person = 100 Number of persons who smoke = 54

Q: ) Suppose the percentage of those completing a master's degree is 42%. In a random sample of 9…

A: n=sample size=9, p=42%

Q: A survey of 100 people in New York City., NY found that, The probability that they take the subway…

A:

Q: Suppose that 9% of college undergraduates suffer from a psychological disorder. What is the…

A: Let p be the probability that an undergraduate has a psychological disorder. Given that p = 0.09 Let…

Q: If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 900 are…

A: Solution:Binomial distribution approximated to normal distribution or not is checked below:It is…

Q: 5. A study indicates that 4% of American teenagers have tattoos. You randomly sample 30 teenagers.…

A: The binomial distribution probability is:P(X=x)=nCx​px(q)n−xwhere ::: x represents the total number…

Q: Imagine that the probability that a random person will receive a phone call during this exam is…

A: Let A be the event that a person will receive a phone call during the exam, its probability is given…

Q: n the toal US population, it is believed that only 12% of adults are lactose intolerant. if 200 US…

A: In this case, each considered US adult has the only options of being "lactose intolerant" (defined…

Q: 5) 74% of freshmen entering public high schools in 2006 graduated with their class in 2010. A random…

A:

Q: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

A: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

Q: In 2021, 500 teachers in GCPS were surveyed. 230 teachers surveyed were Science teachers, 200…

A: Given: N=500 N(S)= 230 N(M)=200  Half of the teachers teaching Math also teach a science subject.…

Q: The probability that a randomly selected 40-year-old female will live to be 41 years old is 0.988…

A:

Q: what is the probability more than half of the sampled students are working full time?

A: Assume sixty percent of all NKU students work full time. If a random sample of 70 NKUstudents is…

Q: If 11% of the population has a certain illness , what is the expected number of ill people in a…

A:

Q: What is the probability of a group of 4 having a score of at least 60 if the mean is 50 and SD is 8?

A: It is given that  Mean, μ = 50 SD, σ = 8

Q: Among 400 randomly selected drivers in the 20 - 24 age bracket, 6 were in a car crash in the last…

A: It is given that the number of randomly selected drivers are 400 and 6 were in a car crash in the…

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

A:

Q: university study involves a simple random sample of 26 students taken from a population of​ 12,550.…

A: Given that Simple random sample size (n) = 26 Population size  = 12,550 Undergraduate students make…

Q: A survey indicates that 65% of people prefer coffee over tea. If 20 people are randomly selected,…

A: probability that people prefer coffee over tea(p)=0.65sample size(n)=20Let "x" no. of people who…

Q: Suppose 24 % citizens of a country want to join army.Based on a random sample of six citizens, what…

A:

Q: If 15% of adults in a certain country work from home, what is the probability that no more than 60…

A: From the provided information, 15% of adults in a certain country work from home that is p = 0.15…

Q: Current estimates suggest that 80% of the home-based computers in a foreign countr have access to…

A: Given : Probability of success,p = 0.80 Probability of failure,q=(1- 0.80)= 0.2…

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.