A few years ago, it came as a surprise when Apple's iPhone 4 was found to have a problem. Users complained of weak reception, and sometimes even dropped calls, when they cradled the phone in their hands in a particular way. A survey at a local store found that 2% of iPhone 4 users experienced this reception problem. a. Determine whether the following statement is true or false. The population is all iPhone 4 users.
A. True
B. False
b) Does 2% denote the population parameter or the sample statistic?a) Population parameterb) Sample statistic

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step-by-step explanation:

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(a) the volume of the cone is 20/3 in3

hence, option a is correct.

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.

i think the answer is 90 hope this