The central limit theorem is important in statistics because it allows us to use a Normal distribution to find probabilities involving the sample mean if the population size is reasonably large (whether the population distribution is known or not).a. population is Normally distributed (for any sample size). b. sample size is reasonably large (for any population)c. population is Normally distributed and the sample size is reasonably large. d. population is Normally distributed and the population standard deviation is known (for any sample size).

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

depends on how many days you are talking about

step-by-step explanation:

17 1/3

step-by-step explanation:

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.