Friday

April 18, 2014

April 18, 2014

Posted by **Erika** on Friday, November 5, 2010 at 12:19am.

Year 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991

% having VCR 0.2 0.3 0.6 1.2 2.5 4.6 8.1 15.6 24.0 35.6 41.7 49.8 58.9 60.6

(a) During what year does the point of "diminishing returns" (i.e., the inflection point) appear to take place?

During the year .

(b) If the best fitting logistic function for this data is

P = 62/1+370 e^−0.68 t

,

(where t is years since 1978) what is the limiting value (as t gets very large)?

percent

(c) What is the exact difference (if any) between the value predicted by the given function and the value stated in the table for the year 1991?

**Related Questions**

SPC - A consumer organization estimates that 34% of the households in a ...

math - Each element in a data set is multiplied by 2, and each resulting product...

math - Each element in a data set is multiplied by 2, and each resulting product...

Math - One advantage of a _____________ is that the actual data values are ...

Calculus - A popular search engine is targeting European countries where the ...

math - The following is a set of data from a sample of n = 5: 7 4 9 8 The ...

Calculus - A popular search engine is targeting European countries where the ...

Calculus - A popular search engine is targeting European countries where the ...

Calculus - A popular search engine is targeting European countries where the ...

statistics - An animal trainer obtained the following sample data (Table A) in a...