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A manufacturer wants to increase the absorption capacity of a sponge. Based on past data, the average sponge could absorb 3.5 ounces. After the redesign, the absorption amounts of a sample of sponges were (in ounces): 3.6Picture 3.8Picture 4.1Picture 3.5Picture 4.0Picture 3.2Picture 3.7Picture 3.2Picture 3.1Picture and 3.4. What is the decision rule at the 0.01 level of significance to test if the new design increased the absorption amount of the sponge?
Reject null hypothesis if computed z is 1.248 or larger
Reject null hypothesis if computed t is less than 2.685
Do not reject null hypothesis if computed t is less than 2.821
Do not reject null hypothesis if computed t is less than 2.574
A researcher is interested in whether social assertiveness might be influenced by training procedures. Two groups of college sophomores are randomly selected. Group A subjects are assigned to the "training sessions" and Group B subjects do not rec..
the genes for eye color in a certain male fruit y are r w. the genes for eye color in the mating female fruit y are r
the number of customers at quiet morning bakery is believed to follow a poisson distribution with a mean of 2 customers
Get an answer from tutors to this homework question now: Under what circumstances is the experimentwise alpha level a concern?
List the 15 possible samples (without replacement) of two artists that can be selected from the six. for brevity, use the initial provided.
Estimate with 90% confidence the difference in the level of satisfaction with service between the two branches.
People in a large population average 60 inches tall. You take a random sample and will be given a dollar for each person in your sample who is over 65 inches tall.
the manager of a video library would like the variance of the waiting times of the customers not to exceed 2.30
There are 8 members on the board of directors. If the board must form a committee of 6 members, how many different ways may the committee be selected from among the 8 board members?
Joes Trucking provides shipping service from the outlying areas of New York City to a known distribution point within Manhattan. To understand the number of trucks required for a given service level agreement defined by a guaranteed delivery i..
each day at a manufacturing plant a lot of 8 items are manufactured and three are known to be defective. a sample of 2
suppose the probability distribution for x 5 number of jobs held during the past year for students at a school is as
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