The waiting time for customers at macburger restaurants follows a normal distribution with a population standard deviation of 1 minute. at the warren road macburger, the quality-assurance department sampled 50 customers and found that the mean waiting time was 2.75 minutes. at the 0.05 significance level, can we conclude that the mean waiting time is less than 3 minutes? state the null hypothesis and the alternate hypothesis. state whether the decision rule is true or false: reject h0 if z < −1.645. true false compute the value of the test statistic. (negative amount should be indicated by a minus sign. round your answer to 2 decimal places.) what is your decision regarding h0? reject h0 do not reject h0 what is the p-value? (round your answer to 4 decimal places.) next visit question mapquestion 3 of 4 total 3 of 4 prev

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

Amachine that produces a special type of transistor (a component of computers) has a 2% defective rate. the production is considered a random process where each transistor is independent of the others. (a) what is the probability that the 10th transistor produced is the first with a defect? (b) what is the probability that the machine produces no defective transistors in a batch of 100? (c) on average, how many transistors would you expect to be produced before the first with a defect? what is the standard deviation? (d) another machine that also produces transistors has a 5% defective rate where each transistor is produced independent of the others. on average how many transistors would you expect to be produced with this machine before the first with a defect? what is the standard deviation? (e) based on your answers to parts (c) and (d), how does increasing the probability of an event a↵ect the mean and standard deviation of the wait time until success?

What multiplys to be 1 but adds up to be 4