Mathematics, 15.12.2021 18:30 babbity2009
Question 6 (1 point)
A group of marketing researchers for a popular cell phone manufacturer collected the following information about young adults (aged 18-
25) 1% use a cell phone that is 3 years or older, 2% use a cell phone that is 2-3 years old, 20% use a cell phone that is 1-2 years old, and
77% use a cell phone that is less than 1 year old Suppose a young adult was selected at random. Let X equal the age of a randomly
selected person's cell phone. Which of the following is the probability distribution for the age of that person's cell phone?
Oa
<115x2 25x3 23
0.77 0.20 0.02 0.01
Oь
<1 15X<2 25x3 23
0.25 0.25 0.25 025
O
115X225x3 23
0.01 D G 0.20 0.77
Od
<1 15x2 25x<3 23
6.77 020 02
Answers: 2
Mathematics, 21.06.2019 23:30
Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis
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Which choice names the hypotenuse of triangle xyz? a. segment yx b. segment yz c. segment ab d. segment zx
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Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.
Answers: 1
Question 6 (1 point)
A group of marketing researchers for a popular cell phone manufacturer collec...
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