carparts6753 carparts6753

02-01-2023
Mathematics

Answered

Suppose you work for the department of natural resources and you want to estimate , with 99 % confidence , the mean ( average ) length of all walleye fingerlings in a fish hatchery pond . you take a random sample of 10 fingerlings and determine that the average length is 7.5 inches and the sample standard deviation is 2.3 inches .

Answer :

Other Questions

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

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%

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.

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

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 mint produces 1,500 souvenir coins each year. in a random sample of 40 coins, 2 have a misprint. predict the number of coins that will have misprints in a yea

You pick a card at random. without putting the first card back, you pick a second card at random. 1 2 3 what is the probability of picking a 2 and then picking

A class quiz has 4 multiple-choice questions and each question has 4 possible answers (a, b, c, or d). the correct answers are b, c, a, and a, in that order, an

A school club is having a bake sale and uses the formula p = 5x + 3y to determine the profit, p, for selling x cupcakes and y brownies. which formula can be use

A conical tank is partially filled with water. the height of the tank is 11 m and the radius of the tank is 5 m. the height of the water is 6 m and the radius o