A survey of all medium- and large-sized corporations showed that 69% of them offer retirement plans to their employees. Let p^be the proportion in a random sample of 30 such corporations that offer retirement plans to their employees. Find the probability that the value of p^ will be greater than 0.83?

Q: Machine A is later found that it will produce 2 defective toys per hour. According to the most…

A:

Q: A rare genetic disease is known to be carried by DD people among 10000 people in the society. a) In…

A: a) Let X be the random variable representing the number of people in the population that carry the…

Q: Using binomial probability distribution, what is the probability that 4 out of 6 students chosen…

A: Let p be the probability that a student fail in MRM802. Given that p = 0.20 Let X denote the number…

Q: A manager of an apartment store reports that the time of a customer on the second floor must wait…

A: GivenA customer on second floor must wait for the has a uniform distributionranging from 2 to 5…

Q: A survey from an independent agency found that 40% of consumers receive their spending money from…

A: Binomial distribution is a discrete distribution which is basically deals with the probabilities of…

Q: A random sample of 306 new Smile Bright electric toothbrushes showed that 19 were defective.…

A: Given that there are 19 out of 306 new smile bright electric toothbrushes are defective.

Q: A survey found that 35% of pet owners had their pets bathed professionally rather than do it…

A: Givenp=0.35n=10Let "x" be the people have bathed their pets…

Q: A medical researcher claims that 60% of people with shellfish allergies do not have their first…

A: The line of random numbers is 064226149126030872472050368603.

Q: In a study, it was found that female consumers went shopping 6 times a month on average. For the…

A:

Q: A rare genetic disease is known to be carried by DD people among 10000 people in the society. a) In…

A: a part Let X be a random variable that shows the rare genetic disease where n =1000 , p =0.002…

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

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

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

A: Given data, n=18 p=84%=0.84 P(X≤1)=?

Q: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…

A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?

Q: A survey showed that 82% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their…

A: 82% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their eyesight. 19 adults…

Q: study has shown that 65% of students at some time in their college career have skipped buying…

A: Given data, 65% of students at some time in their college career have skipped buying required…

Q: Its believed that 4% of children have a gene that may be linked to juvenille diabetes. Reaserachers…

A: Given p =0.04, then q = 1-p =0.96           n = 732          Also    σ =pqn    = 0.04×0.96732…

Q: . To see if this result is surprising, the class conducts a simulation to estimate the probability…

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Q: A botanist developed a new hybrid cotton plant that can withstand weevil infestation better than…

A: Probability measures the chance of occurrence of an event out of all possible events.…

Q: According to voting records, 61% of eligible voters voted. In a sample of 100, 66 said that they…

A:

Q: A survey showed that 82% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: The probability that at least 18 of them need correction for their eyesight is 0.1191, which is…

Q: A seed has a 90% chance of growing into a healthy plant. If 9 seeds are planted, what is the…

A: Let "X" be the whole shipment will be accepted. I will use the excel formula "=BINOM.DIST(x, n, p,…

Q: a recent study of 500 patients found that of 300 overweight patients, 240 had elevated cholesterol…

A:

Q: Last Fall Semester, 36% of freshmen who applied for football season tickets did not receive tickets…

A: Obtain the probability that more than 40% of those sampled did not receive tickets for all home…

Q: According to the results of a survey conducted by a reputable hotel research​ organization, 25​ of…

A: Probability

Q: A survey showed that 74% of adults need correction (eyeglasses, contacts, surgery, dults are…

A: Given, p=74%= 0.74 n=18

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

A:

Q: A manager of an apartment store reports that the time of a customer on the second floor must wait…

A: A manager of an apartment store reports that the time of a customer on the second floor must wait…

Q: The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to…

A:

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: What is the probability that a randomly selected baby has a fast heart rate (>100 bpm) or has blue…

A: The marginal totals are calculated as follows:   Brown eyes Blue eyes Green eyes Grey eyes Hazel…

Q: Recently, the top web browser had 51.28% of the market. In a random sample of 275 people, what is…

A:

Q: A recent survey of 1050 U.S. adults selected at random showed that 621 consider the occupation of…

A: According to the provided information: x = Number of U.S. adults consider the occupation of the…

Q: Due COVID-19 pandemic, all institutions and students in United State used special platforms to…

A:

Q: A​ gender-selection technique is designed to increase the likelihood that a baby will be a girl. In…

A: Given Information Total births = 875 Baby Girls = 444 Baby boys = 431 Probability of getting girl =…

Q: A sample of 400 adults found that 82 have high blood pressure. However, 98 of those studies reported…

A: Given data, Total number of adults n=400 No of people that are unwilling to change diet =98 P(he or…

Q: The number of calls received by a car towing service averages 19.2 per day (per 24 hour period).…

A: Given  λ= Average no. of calls received by a car towing service =19.2 per day =19.224per hour X= No.…

Q: A poll showed that 80.4% of Americans say they believe that you lose your body heat fastest through…

A: Given, P(they believe that you lose your body heat fastest through your head) = 80.4%=0.804   P(they…

Q: A survey of all medium- and large-sized corporations showed that 69% of them offer retirement plans…

A: Given: p=0.69

Q: One prominent physician claims that 70% of those with lung cancer are chain smokers. If his…

A: Given :  p( chain smokers ) = 0.70

Q: When a machine is improperly adjusted, it has probability 0.15 of producing a defective item. Each…

A:

Q: A rare genetic disease is known to be carried by DD people among 10000 people in the society. a) In…

A: It was stated that a rare genetic disease is known to be carried by DD people among 10000 people in…

Q: A study claims that 70% of children under the age of 13 in British Columbia have been vaccinated…

A:

Q: An article was published recently suggesting that persons who exercise regularly can reduce their…

A: The provided information are:Proportion of American adults that exercise on a regular basis (p) =…

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

A: The density function of binomial distribution is:

Q: anufactured in batches of 120 and the overall rate of defects is 5%. Estimate the probability that a…

A: Given: p=0.05 n=120 The population mean is calculated as: The standard deviation is computed as:…

Q: A survey showed that 75​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for…

A: From the provided information, 75​% of adults need correction​ (eyeglasses, contacts,​ surgery,…

Q: A class president is favored by 53% of all students voting, assuming this is accurate, a random…

A: It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal to…

Q: According to a recent study, 62% of adults of age 65 and older do not have sufficient funds saved…

A:

Q: In order to gain additional information about respondents, some marketing researchers have used…

A: Given datan=262p=86%

Q: The Philippine Red Cross says that about 11% of PH population has Type B blood. A blood drive is…

A:

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.