The time to order and deliver a pizza at jimbo’s pizza was 48 minutes. jim, the owner, implements a new system for ordering and delivering pizzas that he believes will reduce the time required to get a pizza to his customers.

a. determine the null and alternative hypotheses.

b. explain what it would mean to make atypei error.

c. explain what it would mean to make a type ii error.

(a) Null hypothesis: The time to order and deliver a pizza to his customers at Jimbo's pizza is 48 minutes

Alternate hypothesis: The time to order and deliver a pizza to his customers at Jimbo's pizza is less than 48 minutes

(b) To make a type I error means that the null hypothesis is rejected when it is true

(c) To make a type II error means that the null hypothesis is accepted when it is false

Step-by-step explanation:

(a) A null hypothesis is a statement deduced from a population parameter which would be tested to be true or false.

An alternate hypothesis is a statement deduced a population parameter that negates the null hypothesis.

(b) Type I error means rejecting the null hypothesis when it is true

(c) Type II error means accepting the null hypothesis when it is false

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.

76%

step-by-step explanation:

24% are dogs and the remaining is 76% because 100-24=76