Mark has $5,272.56 in an investment account. On Monday, the account earned $26.74. On Tuesday, the account lost $38.63.
2 answers:
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Answer:
A
The value is
B
The value is
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is
The sample size is n = 25
Generally the probability that a boy born full term in the US weighs less than 7 lbs is mathematically represented as
=>
From the z table the area under the normal curve to the left corresponding to -0.6364 is
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Generally the standard error of mean is mathematically represented as
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Generally the probability that the average weight of 25 baby boys born in a particular hospital have an average weight less than 7 lbs is mathematically represented as
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From the z table the area under the normal curve to the left corresponding to -3.1818 is
=>
=>