 , 06.08.2022 18:20 robertss403

# The average telephone bill in a locality is \$70, with a standard deviation of \$40. In a sample of 50 randomly selected phone connections, what is the probability that the sample average will exceed \$75?   ### Another question on Mathematics Mathematics, 21.06.2019 16:00
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The average telephone bill in a locality is \$70, with a standard deviation of \$40. In a sample of 50...
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