Question

A:Assume that when adults with smartphones are randomly selected,56%use them in meetings or classes. If5adult smartphone users are randomly selected, find the probability that at least3of them use their smartphones in meetings or classes.

The probability is?

B: A survey showed that 72%of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 9adults are randomly selected, find the probability that

at least 8of them need correction for their eyesight. Is 8 a significantly high number of adults requiring eyesight correction?

The probability that?

C: based on a poll, among adults who regret getting tattoos,23% say that they were too young when they got their tattoos. Assume that five

adults who regret getting tattoos are randomly selected, and find the indicated probability.

a. Find the probability that none of the selected adults say that they were too young to get tattoos.? 4 decimal places

Answer #1

Assume that when adults with smartphone are randomly selected,
55% use them in meetings or classes. If 6 adults smartphone users
are randomly selected, find the probability that at least 2 on them
use their smartphones in meetings or classes

Assume that when adults with smartphone are randomly selected 49%
use them in meetings or classes. if 12 adults smartphone users are
randomly selected, find the probability that fewer than 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. If 10 adult smartphone users
are randomly selected, find the probability that at least 2 of
them use their smartphones in meetings or classes.
Find the probability

Assume that when adults with smartphones are randomly selected,
48% use them in meetings or classes. If 8 adult smartphone users
are randomly selected, find the probability that at least 6 of
them use their smartphones in meetings or classes.
The probability is ____

Assume that when adults with smartphones are randomly selected,
55% 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.
The probability is?

Assume that when adults with smartphones are randomly
selected,
53%
use them in meetings or classes. If
6
adult smartphone users are randomly selected, find the
probability that at least
4
of them use their smartphones in meetings or classes.
The probability is

Assume that when adults with smartphones are randomly selected, 47%
use them in meetings or classes. If 8 adult smartphone users are
randomly selected, find the probability that exactly 6 of them use
their smartphones in meetings or classes
The
probability is ___

Assume that when adults with smartphones are randomly selected,
43% use them in meetings or classes. If 9adult smartphone users
are randomly selected, find the probability that at least 6 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. If
11
adult smartphone users are randomly selected, find the
probability that fewer than
4
of them use their smartphones in meetings or classes
find the probability ?

Assume that when adults with smartphones are randomly selected,
55% use them in meetings or classes. If 8 adult smartphone users
are randomly selected, find the probability that at least 5 of
them use their smartphones in meetings or classes.

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