In 1997, 4% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician believes that
Question:
In 1997, 4% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician believes that the percentage of mothers who smoke 21 cigarettes or more is less than 4% today. She randomly selects 120 pregnant mothers and finds that 3 of them smoked 21 or more cigarettes during pregnancy. Does the sample data support the obstetrician’s belief? Use the α = 0.05 level of significance.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (14 reviews)
The hypotheses are H 0 P 0014 versus H 1 P 004 np 0 ...View the full answer
Answered By
Aysha Ali
my name is ayesha ali. i have done my matriculation in science topics with a+ . then i got admission in the field of computer science and technology in punjab college, lahore. i have passed my final examination of college with a+ also. after that, i got admission in the biggest university of pakistan which is university of the punjab. i am studying business and information technology in my university. i always stand first in my class. i am very brilliant client. my experts always appreciate my work. my projects are very popular in my university because i always complete my work with extreme devotion. i have a great knowledge about all major science topics. science topics always remain my favorite topics. i am also a home expert. i teach many clients at my home ranging from pre-school level to university level. my clients always show excellent result. i am expert in writing essays, reports, speeches, researches and all type of projects. i also have a vast knowledge about business, marketing, cost accounting and finance. i am also expert in making presentations on powerpoint and microsoft word. if you need any sort of help in any topic, please dont hesitate to consult with me. i will provide you the best work at a very reasonable price. i am quality oriented and i have 5 year experience in the following field.
matriculation in science topics; inter in computer science; bachelors in business and information technology
_embed src=http://www.clocklink.com/clocks/0018-orange.swf?timezone=usa_albany& width=200 height=200 wmode=transparent type=application/x-shockwave-flash_
4.40+
11+ Reviews
14+ Question Solved
Related Book For
Question Posted:
Students also viewed these Statistics questions
-
A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%. The researcher gathers a random sample of 120...
-
A teacher believes that the percentage of students at her high school who go on to college is higher than the rate in the general population of high school students. The rate in the general...
-
A researcher predicts that the percentage of people who do not watch TV is higher now than before the advent of the Internet. Let p1 denote the population proportion of American adults in 1975 who...
-
Cindy Bagnal, the manager of Cayce Printing Service, has provided you with the following aging schedule for Cayce's accounts receivable: Cindy indicates that the $126,700 of accounts receivable...
-
List the names and number of employees supervised (label this value HeadCount) for each supervisor who supervises more than two employees.
-
Suppose now that a monopolist owns all the apartments and that he is trying to determine which price and quantity maximize his revenues. (a) Fill in the box with the maximum price and revenue that...
-
Construct a case for restricting trade between the USA and Japan. Are there any arguments here that could not equally apply to a case for restricting trade between Scotland and England or between...
-
A condensed income statement for the Snowboard Division of New Wave Rides Inc. for the year ended December 31, 2010, is as follows: Sales ......... $1,200,000 Cost of goods sold .... 826,000 Gross...
-
A company has a share price of $23.19 and 120 million shares outstanding. It's market-to-book ratio is 4.2, it's book debt-equity ratio (i.e., book debt / book equity) is 3.2, and it has cash of $850...
-
Using ratios to conduct financial analysis must be done with care. One year's worth of data is worth little; establishing a trend line over a period of years is the most useful approach. Using ratio...
-
Professors Honey Kirk and Diane Lerma of Palo Alto College developed a learning community curriculum that blended the developmental mathematics and the reading curriculum with a structured emphasis...
-
According to the U.S. Census Bureau, in 2009, 2.1% of Americans worked at home. An economist believes that the percentage of Americans working at home has increased since then. He randomly selects...
-
What changes have occurred for newspapers in the classified ads department?
-
The following questions concern the logical description of the OE/S process: a. What are the three major processes? Describe the subsidiary processes of each major process. b. What three exception...
-
Define computer hacking and cracking, and explain how they undermine resource security.
-
What is IT governance?
-
What is the order entry/sales (OE/S) process?
-
What steps are commonly included in a business continuity planning methodology?
-
Consider an ideal fluid interacting with a (possibly dynamical) gravitational field that the fluid itself generates via 2 = 4G. For this fluid, take the law of energy conservation, U/t + F = 0,...
-
Determine two different Hamilton circuits in each of the following graphs. A B F G
-
In Problems 2738, the reduced row echelon form of a system of linear equations is given. Write the system of equations corresponding to the given matrix. Use x, y; or x, y, z; or x 1 , x 2 , x 3 , x...
-
In Problems 2734, determine whether the product is defined. If it is defined, find the product; if it is not write not defined. 2 -1 64 5 8 -3 5 -6 0 90 2 -1 7
-
The coordinates of the vertex are .________. YA F V=(3, 2) D X
-
(e) Silicon has a Young's modulus, E, of 179 GPa and a density of 2330 kg.m. Q 1(f) (i) What is the mass of a cantilever of length (/) 100 m, width (w) 10 m and thickness (t) 1 m? (ii) Using the...
-
What are the characteristics of radio as a mobile medium in trinidad and tobago?
-
What is the difference between NDP Per Capita and NNP Per Capita?
Study smarter with the SolutionInn App