Question

Construct the indicated confidence interval for the population
mean μ using the t-distribution.

c = 0.95, = 645, s = 31, n = 16

Answer #1

Construct the indicated confidence interval for the population
mean μ using the t-distribution.

c = 0.95,
= 645, Sx = 31, n = 16

The (1 - )% confidence interval for population mean without the population Sd using t-dist

here the = 1 - c = 1 - 0.95 = 0.05

The critical value =

= 2.1315 ...............*using t-dsit tables with df = 15 and
p = 0.025*

Substituting the other values

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mean μ using the t-distribution. Assume the population is normally
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c=0.95, x =110,s= 10, n=27
The confidence interval is
?(Round to the nearest tenth as? needed.)

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mean
μ using the t-distribution. Assume the population is normally
distributed.
c=0.950
x overbarx =12.7,
s=2.0
n=10

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mean μ using the t-distribution. Assume the population is normally
distributed.
ce=0.99, x =13.9, s=3.0, n=6
The 99% confidence interval using a t-distribution is
____________.(Round to one decimal place as needed.)

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mean mu using the t-distribution. Assume the population is
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is normally distributed.
c= 0.95
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s=3.0
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___,____

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mean mu using the t-distribution. Assume the population is
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(?, ?)

1a. Construct the indicated confidence interval for
the population mean u using the t-distribution. Assume the
population is normally distributed.
c=0.95
x=12.6
s=3.0
n=5
(),() Round to one decimal place as needed.
1b.Construct the indicated confidence interval for the
population mean u using the t-distribution. Assume the population
is normally distributed.
c=0.99, x=12.4 s=0.73, n=18
(),() Round to one decimal place as needed.

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mean using the? t-distribution. Assume the population is normally
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The 90?% confidence interval using a? t-distribution is
(_,_)

Construct the indicated confidence interval for the population
mean using the t-distribution. Assume the population is normally
distributed.
c=0.99 x=13.2 s=4.0 n=8

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