تم الحل ✓
categoryإحصاء
schoolبكالوريوس
event_available2026-07-13
السؤال
Transcribed Image Text:
government's department of transportation reported that in 2009, airline A led all domestic airlines in on-time arrivals for domestic fights, with a rate of 0.83. Complete parts (a) through (e) below.
Using the binomial distribution, what is the probability that in the next six fights, four flights will be on time?
The probability is 0086
(Round to four decimal places as needed.)
b. Using the binomial distribution, what is the probability that in the next six fights, all six fights will be on time?
The probability is 0002
(Round to four decimal places as needed.)
c. Using the binomial distribution, what is the probability that in the next six flights, at least four flights will be on time?
The probability is 4377
(Round to four decimal places as needed.)
d. What are the mean and standard deviation of the number of on-time arrivals?
Let n=6.
The mean of the number of on-time arrivals is
(Round to four decimal places as needed.)
The standard deviation of the number of on-time arrivals is
(Round to four decimal places as needed.)
e. What assumption(s) do you need to make in (a) through (c)? Select all that apply.
Click to select your answer(s).
esc
*
F
*
#3
92
80 P
$
94
000 14
%
85
15
9 >
誰
N (u) More
16
4
87
&
*
8%>
+11
16
4
69
EXP
"
F
ww
0
+
check_circle الجواب — حل مفصل خطوة بخطوة
hourglass_top
🔒
الحل الكامل متاح للمشتركين
اشترك في أرشيف الأسئلة لعرض هذا الحل وآلاف الحلول المفصلة خطوة بخطوة من معلمين معتمدين.