Question
In: Math
Based on a smartphone survey, assume that 41% of adults with smartphones use them in theaters....
Based on a smartphone survey, assume that 41% of adults with smartphones use them in theaters. In a separate survey of 209 adults with smartphones, it is found that 71 use them in theaters. a. If the 41% rate is correct, find the probability of getting 71 or fewer smartphone owners who use them in theaters. b. Is the result of 71 significantly low?
Solutions
milcah answered 1 year agoRelated Solutions
Assume that when adults with smartphones are randomly selected, 49% of them use them in meetings...
Assume that when adults with smartphones are randomly selected,
49% of them use them in meetings or classes. If 30 adult smartphone
users are randomly selected, find the probability that exactly 18
of them use their smartphones in meetings or classes
The probability is ____
- Assume that when adults with smartphones are randomly selected, 65% use them in meetings or...
- Assume that when adults with smartphones are randomly
selected, 65% use them in meetings or classes. If 5 adult
smartphone users are randomly selected, find the probability that
exactly 3 of them use their smartphones in meetings or classes.
- Assume that when adults with smartphones are randomly
selected, 41% use them in meetings or classes. If 20 adult
smartphone users are randomly selected, find the probability that
exactly 13 of them use their smartphones in meetings or
classes....
Assume that when adults with smartphones are randomly selected, 44 % use them in meetings or...
Assume that when adults with smartphones are randomly selected,
44 % use them in meetings or classes. If 14 adult smartphone users
are randomly selected, find the probability that exactly 5 of them
use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes....
Assume that when adults with smartphones are randomly selected,
44% use them in meetings or classes. If 7 adult smartphone users
are randomly selected, find the probability that at least 4 of
them use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes....
Assume that when adults with smartphones are randomly selected,
43% use them in meetings or classes. If 10 adult smartphone users
are randomly selected, find the probability that fewer than 4 of
them use their smartphones in meetings or classes. What is the
probability?
Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classes....
Assume that when adults with smartphones are randomly selected,
49% use them in meetings or classes. If
25 adult smartphone users are randomly selected, find the
probability that exactly 15 of them use their smartphones in
meetings or classes.
Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes....
Assume that when adults with smartphones are randomly selected,
56% use them in meetings or classes. If 6 adult smartphone users
are randomly selected, find the probability that exactly 2 of them
use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes....
Assume that when adults with smartphones are randomly selected, 52%
use them in meetings or classes. If 9 adults smartphone users are
randomly selected, find the probability that at least 5 of them use
their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes....
Assume that when adults with smartphones are randomly selected,
44% use them in meetings or classes. If 9 adult smartphone users
are randomly selected, find the probability that at least 3 of
them use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes....
Assume that when adults with smartphones are randomly selected,
42% use them in meetings or classes. If 5 adult smartphone users
are randomly selected, find the probability that at least 2 of
them use their smartphones in meetings or classes. The probability
is _
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