The table below shows the frequency of outcomes when two distinguishable coins are tossed 4,000 times and the uppermost faces were observed. What is the estimated probability that the second coin lands with heads up?
OutcomeHHHTTHTTFrequency1,2009008501,050?
Round your answer to four decimal places, if necessary.
Fill in the blank(s) with the appropriate word(s).
0.5125
Mathematics
You might also like to view...
Simplify. Your answer should be in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the absolute-value inequality.|x| ? 19
A. {x
-19 ? x ? 19}, or [-19, 19]
B. {x
x ? -19 or x ? 19}, or (-?, -19] ? [19, ?)
C. {x
x ? -19}, or (-?, -19]
D. {x
x ? 19}, or (-?, 19]
Mathematics
Solve the problem.The percents of male teenagers who have had sex is grouped by age in the table below.
(Source: The Universal Almanac)Let P represent the percent of male teenagers of age a that have had sex. Find an equation of a linear model to describe the data.
What will be an ideal response?
Mathematics
Simplify the radical.- 
A. -12
B. -14
C. -24
D. -84
Mathematics