A well-known brokerage firm executive claimed that 10% of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that in a sample of 100 people, 18% of them said they are confident of meeting their goals. Test the claim that the proportion of people who are confident is larger than 10% at the 0.005 significance level. The null and alternative hypothesis would be: Но : р < 0.1 Но: р < 0.1 Но: д > 0.1 H1:p > 0.1 H1:µ > 0.1 H1:µ < 0.1 Но: р — 0.1 Но:р > 0.1 Но:и — 0.1 Н:р + 0.1 Hі:р < 0.1 Ні:д + 0.1 The test is: two-tailed left-tailed right-tailed The test statistic is:

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06:19
A myopenmath.com
A well-known brokerage firm executive claimed that
10% of investors are currently confident of meeting
their investment goals. An XYZ Investor Optimism
Survey, conducted over a two week period, found that
in a sample of 100 people, 18% of them said they are
confident of meeting their goals.
Test the claim that the proportion of people who are
confident is larger than 10% at the 0.005 significance
level.
The null and alternative hypothesis would be:
Но : р < 0.1 Но: и < 0.1 Но: и > 0.1
Ні:р > 0.1 Н1:д > 0.1 Hi:р < 0.1
Но: р — 0.1 Но:р > 0.1 Но: д %—D 0.1
H1:p + 0.1 H1:p < 0.1 H1:µ # 0.1
The test is:
two-tailed left-tailed right-tailed
The test statistic is:
(to 3 decimals)
The p-value is:
(to 4
decimals)
Based on this we:
Reject the null hypothesis
Fail to reject the null hypothesis
Ouection Holn:
inctructor
Transcribed Image Text:06:19 A myopenmath.com A well-known brokerage firm executive claimed that 10% of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that in a sample of 100 people, 18% of them said they are confident of meeting their goals. Test the claim that the proportion of people who are confident is larger than 10% at the 0.005 significance level. The null and alternative hypothesis would be: Но : р < 0.1 Но: и < 0.1 Но: и > 0.1 Ні:р > 0.1 Н1:д > 0.1 Hi:р < 0.1 Но: р — 0.1 Но:р > 0.1 Но: д %—D 0.1 H1:p + 0.1 H1:p < 0.1 H1:µ # 0.1 The test is: two-tailed left-tailed right-tailed The test statistic is: (to 3 decimals) The p-value is: (to 4 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis Ouection Holn: inctructor
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