In a clinical trial, 28 out of 830 patients taking a prescription drug daily complained of flu like symptoms. Suppose that it is known that 2.8% of patients taking competing drugs complain of flu like symptoms. Is there sufficient evidence to conclude that more than 2.8% of this drug's users experience flu like symptoms as a side effect at the level of significance of a=0.05? Use any method, however, follow the PHANTOMS acronym

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A: Solution TU=WV Around × angles are 90° TX2+WX2=TW2 TX2=82-52       =64-25 TX2=39 TX=√39

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Power Operation

Power operation is topic of algebra in Math. It is use to represent repeated multiplication. Very big number and very small number can be easily express using power operation. Power operation is useful in many fields. In space engineering, it helps in representing the distance or size of particular heavenly body. In medical field, it is used to represent very small size. In medical field it helps to mention size of bacteria or virus. 

Exponents

The exponent or power or index of a variable/number is the number of times that variable/number is multiplied by itself.