Assume that the probability of finding a proportion of 0.363 defectives in a good lot that contains 100,000 items is unknown. Rejecting a good lot costs 206.5 and accepting a bad lot costs 303.0. Binomial sampling is done by selecting a sample of size 10. Find the optimal sampling strategy

Q: The president of Doerman Distributors, Inc., believes that 30% of the firm’s orders comefrom…

A:

Q: The internal auditing staff of a local manufacturing company performs a sample audit each quarter to…

A:

Q: A marketing company offers to pay $5 to the first 100 people willing to respond to their…

A: Answer 2 .Convenience sample

Q: It is known that 40% of all customers at a service station pay with a credit card. If a random…

A: Given  p=0.40, x=75, n=200

Q: A poll is planned to determine what proportion of all students favor an increase in fees to support…

A: Given that: A poll is planned to determine the proportion of students who favor an increase in fees…

Q: Identify the sampling techniques used, and discuss potential sources of bias (if any). Explain.…

A: Given Information: Every tenth person entering a cafeteria is asked to choose his or her favourite…

Q: Suppose that 40% of all people in a certain population have brown hair. If a random sample of 100…

A:

Q: On what distribution does the Tukey multiple-comparison procedure rely?

A: Tukey multiple-comparison method: This method is useful for finding the confidence intervals for the…

Q: Identify the sampling techniques​ used, and discuss potential sources of bias​ (if any). Explain.…

A: In simple random sampling, each of the unit is population has equal chance of being selected in the…

Q: The average age of the MBA students in a statistics class is 30.7 years old. The ages of five…

A: Given data: 36, 25, 25, 29, 30.

Q: Suppose that a researcher selects a sample of participants from a population. If the shape of the…

A: For the given statement Select the correct choice ?

Q: _is a process of selecting a random sample with equal chance of including any given sampling unit.…

A: We have to determine the process of selecting a random sample with equal chance of including any…

Q: Identify the type of sampling technique used by the researcher in each of the following situations.…

A: We have given the following statement about the sampling  technique.

Q: Consider a sampling distribution with p=.14 and samples of size n=5000 Using the appropriate​…

A: Solution: From the given information, p=0.14 and n=5000.

Q: (b) What would the sampling distribution of the sample mean for a random sample of size n=9 years…

A:

Q: Assume that the climate conditions on Earth are such that years hotter than the historical average…

A: (1) The following hypothesis can be formed H0: p=0.5 where p is the probability that a hotter year.

Q: Compute the mean of the sampling distribution of differences in the proportions insured.

A: Here use basic of sampling distribution of proportion difference

Q: A university dean is interested in determining the proportion of students who receive some sort of…

A: Given information: The sample proportion of students who receive some sort of financial aid is p =…

Q: A sample size n = 5 is drawn from a set 10, 14, 23, 31, and 34 without replacement. Construct the…

A: The random variable X follows normal distribution. We have to find the mean, variance, and the…

Q: - Compute the mean, variance and standard deviation of the sampling distribution of the sample mean…

A:

Q: A study shows that 80% of students in a school love to listen to music while studying, with a…

A: Given : A study shows that 80% of students in a school love to listen to music while studying, with…

Q: In acceptance sampling, usually 100% of the incoming lot is checked. True or False

A: Acceptance Sampling: It is concerned with decision related to acceptance of the lot.   There are…

Q: ethod? Select all that apply

A: Sampling Methods: The sampling methods are classified into 2 types  Random Sampling or…

Q: Assess the variation in measurement (in cubic centimeters) of per-filled syringes containing…

A: Given that , To Assess the variation in measurement (in cubic centimeters) of per-filled syringes…

Q: In a study, the sample is chosen by asking people on the street What is the sampling method? Simple…

A: In the given Question , The sample is chosen by asking any people on the street without any…

Q: In a large high school, 18% of sophomores and 67% of seniors have part-time jobs. Suppose random…

A: not approximately Normal because the expected numbers of successes and failures for the sophomores…

Q: 36. With simple random sampling, is X an unbiased estimate of u2 If not, what is the bias?

A: Check whether sample mean square is an unbiased estimator of population mean square or not.Unbiased…

Q: Suppose 13% of students are veterans and 138 students are involved in sports. How unusual would it…

A: There are 138 students are involved in sports in which 13% of students are veterans. That is,…

Q: Suppose 15% of students are veterans and 138 students are involved in sports. How unusual would it…

A:

Q: Identify the sampling techniques used, and discuss potential sources of bias (if any). Explain.…

A: Introduction: It is required to identify the type of sampling, and any potential bias.

Q: In preparing a report on the economy, we need to estimate the percentage of businesses that plan to…

A:

Q: Suppose 11% of students are veterans and 142 students are involved in sports. How unusual would it…

A: There are 11% of students are veterans and 142 students are involved in sports. That is,…

Q: When a sampling technique introduces a considerable amount of bias, increasing the sample size will…

A: Given:- In a sampling technique, a considerable amount of bias is introduced.  Increasing the sample…

Q: What sampling method is used when a statistic student did a research on the time spend by grade11…

A: Simple random sampling: A procedure for selecting a sample of size n out of a finite population of…

Q: when doing planned comparisons ? A. a different sampling distribution is used to correct for the…

A: Type-I error: Type-I error is rejecting the null hypothesis H0, when the null hypothesis H0 is true.…

Q: What is the sampling distribution of x?

A:

Q: 5. In your population with a sex-ratio of 30 percent males (frequency = 0.30) and 70 percent females…

A: Given: Male = 30% = 0.30 Female = 70% = 0.70

Q: Suppose the true proportion of voters in the county who support a new fire district is 0.53.…

A: The mean of the binomial random variable obtained by the formula μ=np, where (n) is the number of…

Q: Identify which of these types of sampling is used: random, systematic, convenience, stratified, or…

A: Simple random sampling: Every member has an equal chance of being included in the sample.…

Q: From a population of 300 you are going to select 50. Using the systematic sampling technique where 5…

A:

Q: In what is specific type of a sampling technique every 40th member of the population may…

A: A sample is a part of the population. The process of taking samples from the Population is called…

Q: The department head of a private secondary school in Marikina City surveyed randomly selected…

A: Given that  The department head of a private secondary school in Marikina City surveyed randomly…

Q: Distinguish briefly the Random and non-random sampling

A: Solution: Random sampling is also known as probability sampling  and non-random sampling is also…

Q: When every member of the accessible population has an equal chance of being selected to participate…

A:

Q: Estimate the parameter 'p' in the sampling from binonial

A:

Q: If you had a choice between two samples of equal size, one obtained through a simple random sampling…

A: Stratified sampling performed after dividing data into homogeneous strata.

Q: Suppose a researcher conducts a study on the relationship between hours of exercise per week and…

A: Given : The researcher divides the population into men and women and then randomly selects 200 men…

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.