Your younger brother is getting stickers from a vending machine at the local supermarket a proportion of stickers have the phrase "girls rule" if there are 12 stickers with this kessage in a sample of 36 stickers, what is the 95% confidence interval for this proportion?

a (0.1764,0.4836)
b (0.1793,0.4873)
c (0.1676,0.4724)
d (0.1799, 0.4881)

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The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60