Question
In: Statistics and Probability
A certain flight arrives on time 84 percent of the time. Suppose 167 flights are randomly...
A certain flight arrives on time 84 percent of the time. Suppose
167 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that
(a) exactly 127 flights are on time.
(b) at least 127 flights are on time.
(c) fewer than 144 flights are on time.
(d) between 144 and 154, inclusive are on time.
Solutions
orchestra answered 2 years agoRelated Solutions
A certain flight arrives on time 90 percent of the time. Suppose 185 flights are randomly...
A certain flight arrives on time 90 percent of the time. Suppose
185 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that (a) exactly 170
flights are on time. (b) at least 170 flights are on time. (c)
fewer than 174 flights are on time. (d) between 174 and 178,
inclusive are on time.
A certain flight arrives on time 81 percent of the time. Suppose 175 flights are randomly...
A certain flight arrives on time 81 percent of the time. Suppose
175 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that
(a) exactly 152 flights are on time.
(b) at least 152 flights are on time.
(c) fewer than 141flights are on time.
(d) between 141 and 148 inclusive are on time.
A certain flight arrives on time 82 percent of the time. Suppose 153 flights are randomly...
A certain flight arrives on time 82 percent of the time. Suppose
153 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that
(a) exactly 138 flights are on time.
(b) at least 138 flights are on time.
(c) fewer than 120 flights are on time.
(d) between 120 and 125, inclusive are on time.
(Anything helps! Thank you)
A certain flight arrives on time 86 percent of the time. suppose 156 flights are randomly...
A certain flight arrives on time 86 percent of the time. suppose
156 flights are randomly selected. use the normal approximation to
the binomial to approximate the probability that
a) exactly 140 flights are on time
b) at least 140 flights are on time
c) fewer than 137 flights are on time
d) between 137 and 138, inclusive are on time
A certain flight arrives on time 86 percent of the time. suppose 156 flights are randomly...
A certain flight arrives on time 86 percent of the time. suppose
156 flights are randomly selected. use the normal approximation to
the binomial to approximate the probability that
a) exactly 140 flights are on time
b) at least 140 flights are on time
c) fewer than 137 flights are on time
d) between 137 and 138, inclusive are on time
A certain flight arrives on time 81 percent of the time. Suppose 159 flights are randomly...
A certain flight arrives on time 81 percent of the time. Suppose
159 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that (a) exactly 121
flights are on time. (b) at least 121 flights are on time. (c)
fewer than 138 flights are on time. (d) between 138 and 143,
inclusive are on time.
A certain flight arrives on time 83 percent of the time. Suppose 125 flights are randomly...
A certain flight arrives on time 83 percent of the time. Suppose
125 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that
(a) exactly 92 flights are on time.
(b) at least 92 flights are on time.
(c) fewer than 112 flights are on time.
(d) between 112 and 116 inclusive are on time.
A certain flight arrives on time 80 percent of the time. Suppose 165 flights are randomly...
A certain flight arrives on time 80 percent of the time. Suppose
165 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that (a) exactly 135
flights are on time. (b) at least 135 flights are on time. (c)
fewer than 146 flights are on time. (d) between 146 and 148 ,
inclusive are on time.
P(135)=
A certain flight arrives on time 88 percent of the time. Suppose 120 flights are randomly...
A certain flight arrives on time 88 percent of the time. Suppose
120 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that (a) exactly 114
flights are on time. (b) at least 114 flights are on time. (c)
fewer than 97 flights are on time. (d) between 97 and 105,
inclusive are on time.
(a)
P(114)equals=nothing
(Round to four decimal places as needed.)
(b)
P(Xgreater than or equals≥114)equals=nothing
(Round to four decimal places...
A certain flight arrives on time 80 percent of the time. Suppose 169 flights are randomly...
A certain flight arrives on time 80 percent of the time. Suppose
169 flights are randomly selected. Use the normal approximation to
the binomial to approximate the probability that (a) exactly 139
flights are on time. (b) at least 139 flights are on time. (c)
fewer than 125 flights are on time. (d) between 125 and 150,
inclusive are on time. (a) P(139)equals nothing (Round to four
decimal places as needed.)
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