Patricia has $425.82 in her checking account. How much does she have in her account after she makes a deposit of $120.75 and a w
2 answers:
Answer:
$360.67
Step-by-step explanation:
Given: Patricia has $425.82 in her checking account.
To Find: How much does she have in her account after she makes a deposit of $120.75 and a withdrawal of $185.90
Solution:
Amount Patricia has in her account =
Amount in patricia's account after deposit,
amount deposited in account =
New Amount = Amount in bank + Amount deposited
=
=
Amount in patricia's account after withdrawal,
amount withdrawal from account =
New Amount = Amount in bank - Amount withdrawal
=
=
She is left with $360.67 after both transactions
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Answer:
P(X < 80) = 0.89435.
Step-by-step explanation:
When the distribution is normal, we use the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this question, we have that:
P(X < 80)
This is the pvalue of Z when X = 80. So
has a pvalue of 0.89435.
So
P(X < 80) = 0.89435.