A September 2021 CNN article on equality and representation of women in the workplace reported that “at the start of 2021, 41% of manager positions were held by women”. Suppose a random sample of twenty companies are selected and it is recorded if the manager position is held by a woman. Let X be the number in the sample that are women. a) How many manager positions in the sample are expected to be held by women?

Q: 5.2) If NBA player Steve Nash's free throw percentage is 89%, determine the probability that the he…

A: Binomial distribution is given by

Q: According to the National Oceanic and Atmospheric Administration (NOAA), between 1851 and 2013 there…

A: Given The total number of hurricanes between 1851 and 2013 are 290. The frequency table for…

Q: In a survey of consumers age 12 years and older, respondents were asked how many cell phones are in…

A: Solution

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

A:

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: The median age of residents in a certain town is 33 years. If a survey of 100 randomly sampled…

A: In the given data since the median value is 33 years, we can say that the probability of any…

Q: 3. In the mass production of bolts it is found that 5% are defective. Bolts are randomly selected…

A: Givenn=10p=0.05Let X=no.of defective boltsX~Binomial (n=10 , p=0.05)P(X=x)=10x 0.05x 1-0.0510-x   ;…

Q: 3. The following crosstabulation shows the results of a a study examining peoples' ages and…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A sample of 4 different calculators is randomly selected from a group containing 20 that are…

A: From the provided information, A sample of 4 different calculators is randomly selected from a group…

Q: c) With random guessing, show that the probability of getting at least one question wrong is 0.999.

A: Given:Show that the probability of getting at least one questionwrong is approximately 0.999.

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: 2) A pharmaceutical factory has 8 contacts for the wholesale of medicine, and the company believes…

A: To find: a. The Probability that the factory makes at least two sales. b. The Probability that the…

Q: According to a study, the probability that a randomly selected teenager studied at least once during…

A: Given that, According to a study, the probability that a randomly selected teenager studied at least…

Q: The 28 students in the data management mathematics class must submit a project. The teacher chooses…

A: From the provided information, Number of students = 28 From which teacher chooses 7 students. It is…

Q: According to a health​ publication, 12.8​% of persons under the age of 65 have no health insurance…

A: a. The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: Suppose that in the bookkeeping operation of a large corporation the probability of a recording…

A: Givenp=0.005n=1000Let "x" be the billings contain a…

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: It was decided to assess the awareness of common people about the political scenario in the country.…

A: Given: Total number of people in the survey = 1000 50% of them are educated and rest 50% are…

Q: a. exactly 3 began taking Valium for psychological problems. b. at least 5 began taking Valium for…

A:

Q: Determine the probability distribution for the​ number, X, who have no health insurance coverage. b.…

A: According to health publication, 17.3% of persons under age of 65 have no health insurance coverage.…

Q: 13) The table below describes the smoking habits of a group of asthma sufferers. Light Heavy…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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

A:

Q: Suppose that in a given country, the proportion of households owning their own home is 0.65.…

A:

Q: According to a government statistical​ organization, the unemployment rate for workers aged 22 to 25…

A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…

Q: According to one poll, 54% of households in a certain region had no landline and only had cell phone…

A: The following information has been provided: The probability of success is p=0.54. The probability…

Q: 1. If the probability that a relationship will end in a breakup within 1 year is 0.4. Find the…

A: Probability that a relationship will end in breakup within 1 year = p = 0.4sample size(n)=10X =…

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: 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: 7.) The Pew Internet and American Life Project reported in 2004 that 55% of current music…

A: Note: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: he probability of an event is 0.0825. For which standard significance level would this event be…

A: The probability of an event is 0.0825.

Q: Employers often require their employees to be subjected to random drug testing. Suppose that 5% of…

A: Given that,

Q: According to a government statistical organization, the unemployment rate for workers aged 19 to 25…

A: The answer is attached below.

Q: 18. Stress at work: In a poll conducted by the General Social Survey, 81% of respondents said that…

A: Given:n = 200,p = 0.81

Q: selected

A: It is given that - n = total number of observations = 4 p = probability of success = 16.5100=0.165…

Q: Approximately 10% of American high school students drop out of school before graduation. Choose 20…

A: (a)   Obtain the probability that there are no more than 10 drop out.   The probability that there…