The problems in Exercises 61-82 correspond to those in Exercises 23-44, Section 2.1. Use the results of your previous work to help you solve this problems. TRUSTWORTHINESS OF ONLINE REVIEWS In a survey of 1000 adults aged 18 and older, the following question was posed: "Are other travelers' online reviews trustworthy?" The participants were asked to answer "yes," "no," or "not sure." The survey revealed that 370 answered "no" or "not sure." It also showed that the number of those who answered "yes" exceeded the number of those who answered "no" by 340 . What percentage of respondents answered (a) "yes," (b) "no," and (c) "not sure"? Source : Alliance Global Assistance.
The problems in Exercises 61-82 correspond to those in Exercises 23-44, Section 2.1. Use the results of your previous work to help you solve this problems. TRUSTWORTHINESS OF ONLINE REVIEWS In a survey of 1000 adults aged 18 and older, the following question was posed: "Are other travelers' online reviews trustworthy?" The participants were asked to answer "yes," "no," or "not sure." The survey revealed that 370 answered "no" or "not sure." It also showed that the number of those who answered "yes" exceeded the number of those who answered "no" by 340 . What percentage of respondents answered (a) "yes," (b) "no," and (c) "not sure"? Source : Alliance Global Assistance.
Solution Summary: The author explains how to determine the percent of people who answered "yes" using Gauss-Jordan elimination method.
The problems in Exercises 61-82 correspond to those in Exercises 23-44, Section 2.1. Use the results of your previous work to help you solve this problems.
TRUSTWORTHINESS OF ONLINE REVIEWS In a survey of
1000
adults aged
18
and older, the following question was posed: "Are other travelers' online reviews trustworthy?" The participants were asked to answer "yes," "no," or "not sure." The survey revealed that
370
answered "no" or "not sure." It also showed that the number of those who answered "yes" exceeded the number of those who answered "no" by
340
. What percentage of respondents answered (a) "yes," (b) "no," and (c) "not sure"?
j)
f) lim
x+x ex
g) lim Inx
h) lim x-5
i) lim arctan x
x700
lim arctanx
811x
4. Evaluate the following integrals. Show your work.
a)
-x
b) f₁²x²/2 + x² dx
c) fe³xdx
d) [2 cos(5x) dx
e) √
35x6
3+5x7
dx
3
g) reve
√ dt
h) fx (x-5) 10 dx
dt
1+12
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