What is 720° converted to radians?
2 answers:
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Answer:
The correct option is a
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is
The sample size is n = 9
The null hypothesis is
The alternative hypothesis is
The level of significance is
The sample mean is
Generally the test statistics is mathematically represented as
=>
=>
From the z table the area under the normal curve to the right corresponding to 1.2 is
Generally the p-value is mathematically represented as
=>
=>
From the value obtained w can see that
hence
The decision rule is
Fail to reject the null hypothesis
The conclusion is there is not enough evidence to support the claim