Sandy put $1000 in a savings account which pays 3% interest per year. After four years how much money will
2 answers:
After four years, Sandy’s account will show $1464.1
Step-by-step explanation:
Sandy deposited $1000 in a savings account with a 3% interest rate yearly. We now need to determine the total balance after four years without any additional deposits or withdrawals. Let’s calculate:
For the amount after year 1:
⇒
For the amount after year 2:
⇒
For the amount after year 3:
⇒
For the amount after year 4:
⇒
Therefore, after 4 years, Sandy’s account will have $1464.1
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Answer:
The number of standard deviations above the mean is
Step-by-step explanation:
The question indicates that:
The average weight of the corn ears from each farm is
The standard deviation for the corn ears from Iowa is
The standard deviation for the corn ears from Ohio is
A randomly chosen ear of corn from Iowa weighs x = 1.39 pounds
The standardized score is z = 1.645
The weight of a randomly chosen ear of corn from Ohio measures
In general, the standardized score of corn weight from Iowa can be mathematically defined as:
=>
=>
=>
Conversely, the standardized score of corn weight from Ohio is expressed as:
=>
=>
=>
A positive value indicates this quantity represents the number of standard deviations above the mean.
Answer:
Steven is mistaken.
Step-by-step explanation:
Steven has
- 9 unique shirts
- 5 unique hats
- 4 unique scarves.
He selects only two out of the three types of clothing. The combinations can be calculated as
-
options to select a shirt and a hat;
options to select a hat and a scarf;
options to select a shirt and a scarf.
In total, there are
different methods to choose just two out of the three clothing items.
As a result, Steven is not correct.