Population obesity and teenage pregnancies

Assignment Help Basic Statistics

Reference no: EM1399104

1.a) Overweight? Choose an American adult at random. Define two events:

A= the person chosen is obese
B= the person chosen is overweight but not obese

According to the 2007 National Health Interview Survey, P(A)=0.26 and P(B)=0.35. Explain why events A and B are disjoint.

1. b) Say in plain language what the event "A or B" is. What is P(AorB)?

1. c) If C is the event that the person chosen has normal weight or less, what is P(C)?

2. Older Women. Government data show that 6% of the American population are at least 75 years of age and that about 52% of Americans are women. Explain why it is wrong to conclude that because (0.06)(0.52)=0.0312 about 3% of the population are women aged 75 or older.

3.a) Teenage pregnancies. The U.S. National Center for Health Statistics reports for 2006 the distribution of teenage pregnancies by age range and ethnicity of the mother.
15 to 17 years old 18 to 19 years old
White 0.22 0.49
Black 0.09 0.17
Other 0.01 0.02

Overall, what percent of teenage pregnancies are in young mothers 15 to 17 years old?

3.b) What is the conditional probability that a teenage pregnancy is in a young mother 15 to 17 years old, given that she si classified as "white"?

3.c) What is the conditional probability that a teenage pregnancy is in a young mother 15 to 17 years old, given that she is classified as "black"?

Reference no: EM1399104

Questions Cloud

Find out how many grams of gasoline will fill a tank : Find out How many grams of gasoline will fill a 12.5gal tank if a particular brand of gasoline has the density of 0.737 g/mL at the temperature of 25 degree Celsius?

Explain how growth stability and renewal strategies : Illustrate what are they and explain why are they important? In your response relate Explain how "growth, stability and renewal" strategies are related to Porter's Competitive Strategies.

Determine what mass of titanium displaces : Determine what mass of titanium displaces 65.6mL of H 2 O at the temperature 25 degree Celsius if the density of titanium metal is 4.51 g/cm 3 at the temperature of 25 ° C .?

Expectation based on national cance-incidence rates : Twelve case of leukemia are reported in people living in a particular census tract over a five year period. Is this number of cases abnormal if only 6.7 cases would be expected based on national cance-incidence rates?

Population obesity and teenage pregnancies : Teenage pregnancies. The U.S. National Center for Health Statistics reports for 2006 the distribution of teenage pregnancies by age range and ethnicity of the mother.

Examine primary causes of hr failure in ventures : Provide an analysis that describes the manner in which each of these causes can be overcome by having the appropriate staff to manage and operate the business.

California state court against the national enquirer : The National Enquirer published an article about Shirley Jones, an entertainer. Jones, a California resident, filed a lawsuit in California state court against the National Enquirer and its president, who was a resident of Florida.

Describe maya anagelou-s unique patterns or traits : Choose two different theories of personality and apply them to selected figure, and reply the following question: How does each theory vary in terms of how it describes Maya Anagelou's unique patterns or traits?

Determine the ion notation for an atom : Determine the ion notation for an atom with 18 electrons and 20 protons

User Account

All Pages