spark457 spark457

02-01-2023
Mathematics

Answered

You wish to estimate, with 95% confidence, the proportion of computers that need repairs or have problems by the time the product is three years old. your estimate must be accurate within 2.5% of the true proportion. if no preliminary estimate is available, find the minimum sample size required. indicate what each value for your formula is as well as the minimum sample size.

Answer :

Other Questions

A survey of 6000 adults found that 58% say that they would take a ride in a fully self-driving car. a normal distribution may be used to model the sample propor

Suppose you work for the department of natural resources and you want to estimate , with 99 % confidence , the mean ( average ) length of all walleye fingerling

8.18 if the standard deviation of the mean for the sampling distribution of random samples of size 36 from a large or infinite population is 2, how large must t

A soap manufacturer decreases the size of its trial-size bottle of dishwashing soap to 4. 5 ounces, which is 10% less than the original size. what is the origin

Brad chose a representative sample of 5 random numbers from 1 to 31 and recorded the high temperature in his town for that day of the month in may and october.

The height of pyramids in egypt is normally distributed. a sample of 125 pyramids had a mean height of 460. 7 ft and a standard deviation of 4. 1 feet. with 80%

A study reported that about half of young adults continue to text and drive, despite the dangers. to find out if this applies to teens, you asked an srs of 30 c

A random selection of 30 students in a middle school was asked their age. of the students, 2 were 12 years old, 10 were 13 years old, 12 were 14 years old, and

2. how many integers between 1 and 25 would you expect to appear in a sample of 80 trials? explain. 3. the following integers from 1 to 25 appeared when a samp

A survey of factories in five northeastern states found that 10% of the 300 workers surveyed were satisfied with the benefits offered by their employers. the ma