Math

StatisticsQ&A Libraryskipping lunch- A nutritionist wishes to determine, within 3%, the true proportion of adults who do not eat any lunch. if he wishes to be 95% confident that his estimate contains the population proportion, how large a sample will be neccesary? A previous study found that 15% of the 125 people surveyed said they did not eat lunch.Question

skipping lunch- A nutritionist wishes to determine, within 3%, the true proportion of adults who do not eat any lunch. if he wishes to be 95% confident that his estimate contains the population proportion, how large a sample will be neccesary? A previous study found that 15% of the 125 people surveyed said they did not eat lunch.

Tagged in

Find answers to questions asked by student like you

Q: Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took th...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: Student loans: the institute for college access and success reported that 68% of college students in...

A: a.The mean of the sampling distribution:

Q: According to the data, the mean quantitative score on a standardized test for female college-bound...

A: It is given that mean and standard deviation are 500 and 50, respectively.

Q: The probability of flu symptoms for a person not receiving any treatment is 0.023 In a clinical tria...

A: Binomial approximation:The normal distribution can be used as an approximation to the binomial distr...

Q: Using the below table: A1 A2 B1 0.4 0.3 B2 0.2 0.1 Calculate P(A...

A: Conditional rule:The formula for probability of A given B is,

Q: Four students are randomly selected from an algebra class and asked whether they suffer from math an...

A: Introduction:On random selection, 4 students are selected into the sample.When asked whether they ha...

Q: figure Sdifference for each ot the following studies (only a, b, and c)

A: a)The value of s2pooled is shown below:

Q: a psychologist theorized that people can hear better when they have just eaten a large meal. six ind...

A: Part a:Denote μ1 and μ2 as the means of the big meal group and the small meal group respectively.Nul...

Q: Determine the area under the standard normal curve that lies between (a) Z= -1.64 and Z 1.64, (b) Z ...

A: a)It is given that the Z-scores are –1.64 and 1.64, respectively.