roughly 18 days. Researchers wante know if people tend to underestimate the duration of a typical cold, on average. They surveyed a ranc sample of 352 healthy adults in Georgia and asked them how long they think that a typical cold lasts. What are the null and alternative hypotheses that these researchers wanted to test? a. H : μ= 18 b. H: μ= 69 c. Ho : u = 18 d. Ho: X 7.55 H, : µ < 18 H:u< 8.2 H : u # 18 H: X +7.55
roughly 18 days. Researchers wante know if people tend to underestimate the duration of a typical cold, on average. They surveyed a ranc sample of 352 healthy adults in Georgia and asked them how long they think that a typical cold lasts. What are the null and alternative hypotheses that these researchers wanted to test? a. H : μ= 18 b. H: μ= 69 c. Ho : u = 18 d. Ho: X 7.55 H, : µ < 18 H:u< 8.2 H : u # 18 H: X +7.55
MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Problem 1P
Related questions
Question
![ical literature reports that the duration of a typical cold is roughly 18 days. Researchers wanted to
know if people tend to underestimate the duration of a typical cold, on average. They surveyed a random
sample of 352 healthy adults in Georgia and asked them how long they think that a typical cold lasts.
What are the null and alternative hypotheses that these researchers wanted to test?
H : u< 18
H. : µ< 8.2
H : p # 18
H: X +7.55
a. Ho: u = 18
b. Ho : u = 6.9
c. Ho : u = 18
d. Ho: X =7.55
-3-
8. A company manufactures U-100 insulin syringes designed to contain 1 milliliter (ml) of a solution
containing insulin. We randomly select 8 syringes and measure the volume of solution in each. The
results of these 8 measurements (all in ml) are:
1.05
1.04
1.01
0.98
1.03
90
Do these data give evidence that the true population mean solution volume is not 1 ml?
The appropriate null hypothesis for this test is
b. H,: µ=1.
c. H,: µ= 1.0175.
d. H,: = 1.0175.
9. Refer to the syringes problem above. The appropriate alternative hypothesis for this test is
a. H: µ#1.
b. H¸: µ>1.
c. H: µ<1.0175.
d. H: +1.0175.
76.jpg
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Transcribed Image Text:ical literature reports that the duration of a typical cold is roughly 18 days. Researchers wanted to
know if people tend to underestimate the duration of a typical cold, on average. They surveyed a random
sample of 352 healthy adults in Georgia and asked them how long they think that a typical cold lasts.
What are the null and alternative hypotheses that these researchers wanted to test?
H : u< 18
H. : µ< 8.2
H : p # 18
H: X +7.55
a. Ho: u = 18
b. Ho : u = 6.9
c. Ho : u = 18
d. Ho: X =7.55
-3-
8. A company manufactures U-100 insulin syringes designed to contain 1 milliliter (ml) of a solution
containing insulin. We randomly select 8 syringes and measure the volume of solution in each. The
results of these 8 measurements (all in ml) are:
1.05
1.04
1.01
0.98
1.03
90
Do these data give evidence that the true population mean solution volume is not 1 ml?
The appropriate null hypothesis for this test is
b. H,: µ=1.
c. H,: µ= 1.0175.
d. H,: = 1.0175.
9. Refer to the syringes problem above. The appropriate alternative hypothesis for this test is
a. H: µ#1.
b. H¸: µ>1.
c. H: µ<1.0175.
d. H: +1.0175.
76.jpg
MacBook Air
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