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Q.4. A study of sample of 196 bank accounts showed the average size of bank accounts...

Q.4. A study of sample of 196 bank accounts showed the average size of bank accounts is Rs. 7542. From the previous studies of bank accounts, it is known that the standard deviation is Rs. 2984. Test the hypothesis that μ = Rs. 8000 against the hypothesis μ ≠ 8000. Use a 1% level of significance. ??

solve the above problem step by step in proper format

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