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Answer: The level of significance, , is the probability of committing a Type I error, rejecting the null hypothesis when it is, in fact, true.
Step-by-step explanation:
The significance level, which is commonly designated as alpha (α) is defined the probability of rejecting the null hypothesis when it is in fact, true.
To determine statistical significance, a researcher is expected to calculate a p-value. The researcher can reject the null hypothesis if the p -value is less than α as established by the researcher.
The answer is 90..........................................................................................
Answer:
1 1/2.....
7 1/2=15/2 when it is cut 5 equal pieces
15/2×1/5=3/2=1 1/2ft is your answer.