Answered

Connect with a global community of experts on IDNLearn.com. Ask any question and get a detailed, reliable answer from our community of experts.

lian wants to advertise how many chocolate chips are in each big chip cookie at her bakery. she randomly selects a sample of 46 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 7.4 and a standard deviation of 2.7. what is the 95% confidence interval for the number of chocolate chips per cookie for big chip cookies? assume the data is from a normally distributed population. round answers to 3 decimal places where possible.

Sagot :

Rafikiedu08idn

The big chip cookie's 95% confidence interval for the amount of chocolate chips per cookie is [8.325,6.474].

Given that,

The quantity of chocolate chips in each big chip cookie at Lian's bakery is something she wants to promote. She chooses a sample of 46 cookies at random and discovers that the average amount of chocolate chips per cookie has a standard deviation of 2.7 and a mean of 7.4.

We have to find what is the big chip cookie's 95% confidence interval for the amount of chocolate chips per cookie.

We know that,

The formula is

=x±Z(S/√n)

=7.4±2.326(2.7/√46)

=8.325 and 6.474

Therefore, the big chip cookie's 95% confidence interval for the amount of chocolate chips per cookie is [8.325,6.474].

To learn more about interval visit: https://brainly.com/question/10850002

#SPJ4

We appreciate your participation in this forum. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. Discover the answers you need at IDNLearn.com. Thank you for visiting, and we hope to see you again for more solutions.