Question

A survey showed that 80% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 15 adults are randomly selected, find the probability that at least 14 of them need correction for their eyesight. Is 14 a significantly high number of adults requiring eyesight correction?

Answer #1

We need to find the probability that at least 14 of them need correction for their eyesight.

A survey showed that 79% of adults need correction
(eyeglasses, contacts, surgery, etc.) for their eyesight. If 15
adults are randomly selected, find the probability that at least
14 of them need correction for their eyesight. Is 14 a
significantly high number of adults requiring eyesight
correction?
The probability that at least 14 of the 15 adults require
eyesight correction is___ (Round to three decimal places as
needed.)

A survey showed that 81% of adults need correction
(eyeglasses, contacts, surgery, etc.) for their eyesight. If 9
adults are randomly selected, find the probability that at least 8
of them need correction for their eyesight. Is 8 a significantly
high number of adults requiring eyesight correction?
The probability that at least 8 of the 9 adults require eyesight
correction is_____
(Round to three decimal places as needed.)
.

A
survey that 83% of aldilts need correction ( eyeglasses, contacts,
surgery, etc.) for their eyesight. if 15 adults are randomly
selected, find the probability that at least 14 of them need
correction for their eyesight. is 14 a significantly high number of
adults requiring eyesight correction?

A survey showed that 79% of adults need correction
(eyeglasses, contacts, surgery, etc.) for their eyesight. If 11
adults are randomly selected, find the probability that no more
than 1 of them need correction for their eyesight. Is 1 a
significantly low number of adults requiring eyesight
correction?

A survey showed that 72% of adults need correction
(eyeglasses, contacts, surgery, etc.) for their eyesight. If
18 adults are randomly selected, find the probability that no
more than 1 of them need correction for their eyesight. Is 1 a
significantly low number of adults requiring eyesight
correction?

A survey showed that 72% of adults need correction
(eyeglasses, contacts, surgery, etc.) for their eyesight. If 19
adults are randomly selected, find the probability that no more
than 1 of them need correction for their eyesight. Is 1 a
significantly low number of adults requiring eyesight
correction?
The probability that no more than 1 of the 19 adults require
eyesight correction is ____

A survey showed that 84% of adults need correction
(eyeglasses, contacts, surgery, etc.) for their eyesight. If 22
adults are randomly selected, find the probability that no more
than 1 of them need correction for their eyesight. Is 1 a
significantly low number of adults requiring eyesight correction?
The probability that no more than 1 of the 22 adults require
eyesight correction is nothing. (Round to three decimal places as
needed.)

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...

Based on a poll, 60% of adults believe in reincarnation. Assume
that 8 adults are randomly selected, and find the indicated
probability.
A. What is the probability that exactly 7 of the selected adults
believe in reincarnation?
b. What is the probability that all of the selected adults
believe in reincarnation?
c. The probability that at least 7 of the selected adults
believe in reincarnation?
d. If 8 adults are randomly selected, is 7 a significantly high
number who believe...

Based on a? poll, 40?% of adults believe in reincarnation.
Assume that 7 adults are randomly? selected, and find the indicated
probability. Complete parts? (a) through? (d) below.
a. What is the probability that exactly 6 of the selected adults
believe in? reincarnation?
The probability that exactly 6 of the 7 adults believe in
reincarnation is nothing.
?(Round to three decimal places as? needed.)
b. What is the probability that all of the selected adults believe
in? reincarnation?
The probability...

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