Question: A random sample of 150 recent donations at a certain blood bank reveals that 82 were type A blood. Does this suggest that the actual

A random sample of 150 recent donations at a certain blood bank reveals that 82 were type A blood. Does this suggest that the actual percentage of type A donations differs from 40%, the percentage of the population having type A blood? Carry out a test of the appropriate hypotheses using a significance level of .01. Would your conclusion have been different if a significance level of .05 had been used?

Step by Step Solution

★★★★★

3.35 Rating (164 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Let p true proportion of all donors with type A blood The hypotheses are H 0 p 40 versus H ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1172-M-S-H-T(5837).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

A market researcher wishes to assess consumers' preference among three different colors available on name-brand dishwashers. The following frequencies were observed from a random sample of 150 recent...

In a recent year U.S. retail automobile sales were categorized as listed below. luxury 16.0% large 4.6% midsize 39.8% small 39.6% A random sample of 150 recent purchases indicated the following...

A random sample of 150 residents in one community was asked to indicate their first preference for one of three television stations that air the 5 p.m. news. The results obtained are shown in the...

A random sample of 150 recent donations at a certain blood bank reveals that 82 are type A blood. Does this suggest that the actual percentage of type A donations differs from 40%, the percentage of...

I need help with the random variable problem. If you could provide a brief explanation. Thank you for all of your help. - 15 points Devore State 8 . E . 045 My Notes + Ask Your Teacher A random...

12. [-/10.41 Points] DETAILS DEVORESTAT9 8.4.045.S. MY NOTES ASK YOUR TEACHER A random sample of 146 recent donations at a certain blood bank reveals that 88 were type A blood. Does this suggest that...

Can someone please explain it to me ASAP??!!! A random sample of 161 recent donations at a certain blood bank reveals that 88 were type A blood. Does this suggest that the actual percentage of type A...

A random sample of 156 recent donations at a certain blood bank reveals that 87 were type A blood. Does this suggest that the actual percentage of type A donations differs from 40%, the percentage of...

A random sample of 156 recent donations at a certain blood bank reveals that 78 were type A blood. Does this suggest that the actual percentage of type A donations differs from 40%, the percentage of...

Need help on the following problem attached below: A random sample of 1.58 recent donations at a certain blood bank reveals that 86 were type A biood. Does this suggest that the actual percentage of...

What is goodwill and how do we measure it? Can we sell goodwill separately from the business?

The two main products that a tortilla shop sells are tortilla chips and tortillas. The bag of tortilla chips (500 g) is sold at $30 pesos, while the kg of tortillas at $20. For the elaboration of...

class TimeType: def _ _ init _ _ ( self , hr = 0 , min = 0 , sec = 0 ) : self.hr = hr self.min = min self.sec = sec class Clock ( TimeType ) : month _ days = [ 3 1 , 2 8 , 3 1 , 3 0 , 3 1 , 3 0 , 3 1...

15. Why is the PPACAs attempt to extend insurance coverage to all Americans so costly? How does the PPACA attempt to obtain the funds needed to extend insurance coverage to all Americans? LO5

7.22 Refer to the probability distribution given in Exercise 7.21. Put the following probabilities in order, from smallest to largest: Explain your reasoning. P(2x3), P(2x 3), P(x 7)

7.21 A particular professor never dismisses class early. Let x denote the amount of time past the hour (minutes) that elapses before the professor dismisses class. Suppose that x has a uniform...

7.20 Let x denote the lifetime (in thousands of hours) of a certain type of fan used in diesel engines. The density curve of x is as pictured: Shade the area under the curve corresponding to each of...

Vulcan Flyovers offers scenic overflights of Mount St. Helens, the volcano in Washington State that explosively erupted in 1982. Data concerning the company's operations in July appear below: Vulcan...

Planned sales On order Employee MD$ Shortages EOM BOM Discount Feb. $300,000 $125,000 2% $8,000 2% $200,000 $160,000 Mar. $200,000 $30,000 3% $12,000 4% $80,000 $40,000 Apr. $300,000 $150,000 4%...

PLEASE TAKE NOTE OF HOW THE TEACHER WANTS THE ANSWER AND HOW MANY DECIMAL PLACES ARE REQUIRED BEFORE GIVING ANSWER. THANKS You found your dream home, and it is priced at $180,900. You can't decide if...