Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly rate of return is less than 4%. A mutual-fund rating agency randomly selects 21 months and determines the rate of return for a certain fund. The standard deviation of the rate of return is computed to be 2.63%. Is there sufficient evidence to conclude that the fund has moderate risk at the x = 0.05 level of significance? A normal probability plot indicates that the monthly rates of return are normally distributed. ・・・ What are the correct hypotheses for this test? ▼ The null hypothesis is Ho: ▼ ▼ The alternative hypothesis is H₁: ▼ ▼

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Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly rate of return is less than 4%. A mutual-fund rating
agency randomly selects 21 months and determines the rate of return for a certain fund. The standard deviation of the rate of return is computed to be
2.63%. Is there sufficient evidence to conclude that the fund has moderate risk at the a= 0.05 level of significance? A normal probability plot indicates
that the monthly rates of return are normally distributed.
...
What are the correct hypotheses for this test?
The null hypothesis is Ho:
The alternative hypothesis is H₁:
▼
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Transcribed Image Text:Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly rate of return is less than 4%. A mutual-fund rating agency randomly selects 21 months and determines the rate of return for a certain fund. The standard deviation of the rate of return is computed to be 2.63%. Is there sufficient evidence to conclude that the fund has moderate risk at the a= 0.05 level of significance? A normal probability plot indicates that the monthly rates of return are normally distributed. ... What are the correct hypotheses for this test? The null hypothesis is Ho: The alternative hypothesis is H₁: ▼ View an example Clear all Help me solve this Get more help. Check answer # 2:14 PM 6/18/2022 O Type here to search $ 3 8 S X 4 R F of 5 T 6 B H N 8 hp 9 a g 96°F Mostly sunny 7
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