In a certain binomial distribution, = 0.20 and n = 30. In using the normal approximation,
Question:
In a certain binomial distribution, π = 0.20 and n = 30. In using the normal approximation,
a. What are the mean and standard deviation of the corresponding normal distribution?
b. If x = the number of “successes” among the 30 observations, determine the following:
P(x = 5), P(4 ≤ x≤ 7), P(1 ≤ x ≤ 5), P(x ≥ 7).
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 60% (10 reviews)
a b Px 5 P45 x 55 after continuity correction ...View the full answer
Answered By
Sandhya Sharma
I hold M.Sc and M.Phil degrees in mathematics from CCS University, India and also have a MS degree in information management from Asian institute of technology, Bangkok, Thailand. I have worked at a international school in Bangkok as a IT teacher. Presently, I am working from home as a online Math/Statistics tutor. I have more than 10 years of online tutoring experience. My students have always excelled in their studies.
4.90+
119+ Reviews
214+ Question Solved
Related Book For
Question Posted:
Students also viewed these Mathematics questions
-
In a certain binomial distribution, = 0.25 and n = 40. In using the normal approximation, a. What are the mean and standard deviation of the corresponding normal distribution? b. If x = the number...
-
In a certain binomial distribution, = 0.30 and n = 20. In using the normal approximation, a. What are the mean and standard deviation of the corresponding normal distribution? b. If x = the number...
-
Look at the histogram of probabilities in the binomial distribution template for the case n = 5 and p = 0.6. a. Is this distribution symmetric or skewed? Now, increase the value of n to 10, 15, 20, ....
-
Suppose that the government of Malud increases both its own spending and autonomous taxes by $300 and the economys multiplier equals 2.5. If consumers spend 95% of their disposable (after-tax)...
-
How satisfied are people who have recently joined a new religious movement? To answer this question, German researchers collected data for a sample of 58 believers who had recently joined a new...
-
Builders SdnBhd offers three products for the construction industry: blocks, bricks and tiles. The following income statement shows the projected results, by products, for 2010 (in $ thousands) :...
-
Which operational ratios are most commonly used in the hotel industry for external benchmarking?
-
Second National Insurance Company provided this information for its trading securities portfolio: Required: 1. Provide the journal entries to record the fair value adjustment on December 31, 2016....
-
A company had net income of $465,000. Depreciation expense is $52,000. During the year, Accounts Receivable and Inventory increased $30,000 and $80,000, respectively. Prepaid Expenses and Accounts...
-
According to a news article on bloomberg.com, the demand for coffee is increasing as millennials seemingly unquenchable thirst for coffee is helping to push global demand to a record. At the same...
-
Under what circumstances is it permissible to use the normal distribution in approximating the binomial distribution?
-
About 30% of new single-family homes completed in the United States during 2004 were heated with electricity. For a randomly selected sample of 25 new single-family homes completed during that year...
-
Rhino Car Wax makes its best-selling car wax in Mobile, Alabama. The production process begins by mixing all of the required materials. In a series of steps, the mix is then converted to a finished...
-
The management of Discount Furniture, a chain of discount furniture stores in the Northeast, designed an incentive plan for salespeople. To evaluate this innovative plan, 12 salespeople were selected...
-
Antonio is preparing a summarization of project for four months and days including an executive summary review and analysis recommendation and lessons learned what is the document Antonio is...
-
II. On October 15, Emma entered a written and signed contract to sell Jack an original Monet painting for $1,000,000. Jack made a 10% down payment of $100,000 when he signed the contract. Their...
-
Part A- We have a dataset that shows nutritional information for 30 different breakfast cereals. Here is computer output for a four-variable relationship between Y = Calories and X 1 = Fat, X 2 =...
-
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru...
-
74. A solid sphere of radius R carries a uniform volume charge density ?. A hole of radius R/2 occupies a region from the center to the edge of the sphere, as shown in Fig. 21.38. Show that the...
-
Determine the annual percentage yield for a loan that charges a monthly interest rate of 1.5% and compounds the interest monthly.
-
From past experience, an airline has found the luggage weight for individual air travelers on its trans- Atlantic route to have a mean of 80 pounds and a standard deviation of 20 pounds. The plane is...
-
A hardware store chain has just received a truckload of 5000 electric drills. Before accepting the shipment, the purchasing manager insists that 9 of the drills be randomly selected for testing. He...
-
The tensile strength of spot welds produced by a robot welder is normally distributed, with a mean of 10,000 pounds per square inch and a standard deviation of 800 pounds per square inch. For a...
-
Explain to Khalid 1. When consolidation entry "G is prepared? 2. Give two reasons why is consolidation entry "G prepared? Assume an upstream intra-entity transfer. Khalid did not give an answer.
-
! Required information [The following information applies to the questions displayed below.] The following events apply to Gulf Seafood for the Year 1 fiscal year: 1. The company started when it...
-
QUESTION 2 Lockspot Inc. purchased a machine for $125,000 on January 1, 2008. The estimated useful life was 10 years and the salvage value was $5,000. On January 1, 2016, Lockspot sells the machine,...
Study smarter with the SolutionInn App