Question
In: Statistics and Probability
1. Construct an 80% confidence interval to estimate the population mean when x overbarx=128 and s...
1. Construct an 80% confidence interval to estimate the population mean when x overbarx=128 and s =27 for the sample sizes below.
a)n=20
b)n=50
c)n=90
a) The 80% confidence interval for the population mean when n=20 is from a lower limit of ____ to an upper limit of _____. (Round to two decimal places as needed.)
_______________________________________________________________________
2. Determine the margin of error for a confidence interval to estimate the population mean with n=25 and s-12.5 for the following confidence levels:
a. 80% b. 90% c.99%
Solutions
orchestra answered 1 year agoRelated Solutions
construct an 80% confidence interval to estimate the population mean when x= 52 and s=14.8 for...
construct an 80% confidence interval to estimate the population
mean when x= 52 and s=14.8 for the sample sizes below
a) n=15
b) n=45
c) n=55
Construct an 80% confidence interval to estimate the population mean when x overbar=131 and s =...
Construct an 80% confidence interval to estimate the population
mean when x overbar=131 and s = 28 for the sample sizes below.
a) n=20
b) n=50
c) n=80
Construct a 98% confidence interval to estimate the population mean when x overbar125 and s =...
Construct a 98% confidence interval to estimate the population
mean when x overbar125 and s = 27 for the sample sizes below. a)
n=20 b) n=50 c) n=80 a) The 98% confidence interval
for the population mean when nequals20 is from a lower limit of _
to an upper limit of _.
Construct a 90% confidence interval to estimate the population mean when x=51 and s=12.4 for the...
Construct a 90% confidence interval to estimate the population
mean when x=51 and s=12.4 for the sample sizes below.
a) n=16
b) n=43
c) n=61
a) The 90% confidence interval for the population mean when
n=16 is from a lower limit of to an upper limit of .
b) The 90% confidence interval for the population mean when
n=43 is from a lower limit of to an upper limit of. (Round to two
decimal places as needed.)
c)...
Construct a 98% confidence interval to estimate the population mean when x=65 and s=14.7 for the...
Construct a 98% confidence interval to estimate the population
mean when x=65 and s=14.7 for the sample sizes below.
a) n=19
b) n=43
c) n=58
a) The 98% confidence interval for the population mean when
n=19 is from a lower limit of to an upper limit of . (Round to two
decimal places as needed.)
b) The 98% confidence interval for the population mean when
n=43 is from a lower limit of to an upper limit of....
Construct a 95% confidence interval to estimate the population mean when x bar =124 and s...
Construct a 95% confidence interval to estimate the population
mean when x bar =124 and s =29 for the sample sizes below.
a)
n=40
b)
n=50
c)
n=90
round to 2 decimale places as needed
Construct a 98% confidence interval to estimate the population mean with x =59 and s=13 for...
Construct a 98% confidence interval to estimate the population
mean with x =59 and s=13
for the following sample sizes.
a)
n
=
33
b)
n
=
42
c)
n
=
60
a) With 98% confidence, when n=33, the population mean is
between the lower limit of ? and the upper limit of ?.
(Round to two decimal places as needed.)
1. Construct a 95% confidence interval to estimate the population mean when x(bar) = 54 and...
1. Construct a 95% confidence interval to estimate the
population mean when x(bar) = 54 and s= 13.1 for the sample size
below.
(a) n= 20, ( b) n= 40, (c) n= 57 The 95% confidence
interval for the population mean when n equals= 20
is from a lower limit of __ to an upper limit of _____ (Round to
two decimal places as needed.)
2. Construct a 95% confidence interval to estimate the
population mean using the data below.
x...
Construct a 95% confidence interval to estimate the population mean when Mean=125 and s = 26...
Construct a 95% confidence interval to estimate the population
mean when Mean=125 and s = 26 for the sample sizes below.
a)N=40
b)N=70
c) N=100
A.)The 95% confidence interval for the
population mean when N=40is from a lower limit of_____to an upper
limit of ______.
B.) The 95% confidence interval for the
population mean when N=70is from a lower limit of _____to an upper
limit of ______.
C.) The 95% confidence interval for the
population mean when N=100is from a...
Construct a 90% confidence interval to estimate the population mean using the data below. x=19 s=4.2...
Construct a 90% confidence interval to estimate the population mean
using the data below.
x=19 s=4.2 n=14
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