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zheka24 [161]
3 years ago
13

True or false, areas under the standard normal curve cannot be negative, whereas z-scores can be positive or negative.

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
5 0

Answer:

True.

Step-by-step explanation:

We have been given a statement. We are asked to determine the given statement is true or false.

Statement: Areas under the standard normal curve cannot be negative, whereas z-scores can be positive or negative.

We know that area under the standard normal curve is equal to 1, so area under normal curve cannot be negative.

We know that a z-score represents that a data point is how many standard deviation above or below mean.

When a data point is less than mean, then z-score will be negative and when a data point is greater than mean, the z-score will be positive.

Therefore, our given statement is true.

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52.75 with a 25% discount. How much will he pay for it?
Allisa [31]

Answer:

He pays $39.56

Step-by-step explanation:

If finding the discount, always divide the percent by 100.

25% = 0.25

52.75*0.25=13.1875

Because its money, round to hundredths place, $13.19

Subtract the "percent" (13.19) from 52.75

52.75 - 13.19 = $39.56



7 0
3 years ago
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Tool bella bought 10 copies of jakes first CD at 14.56 cents per copy. how much did she spend
madam [21]
Answer is 145.6cents. If 1 copy is 14.56cents, it implies 10 copies = 10(14.56)
6 0
2 years ago
If T (n) =6-1 what is the 1st term.
Mariulka [41]
T(n)=6-1=5
that means all terms are 5 because n does not appear on the right hand side.

However, if T(n)=6n-1, then
first term = T(1)=6(1)-1=5,
but second term T(2)=6(2)-1=11...
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3 years ago
Help me
lakkis [162]

Answer:

1/6x.(-18) is the answer

6 0
2 years ago
Read 2 more answers
(02.01 LC)
ExtremeBDS [4]

Answer:

Yes it is a function

Step-by-step explanation:

We have to check the ordered pairs to find out if given relation is a function or not.

In an ordered pair, the first element represents the input and the second element represents the output.

The set of inputs is domain and output is range.

For a relation to be function, there should be no repetition in domain i.e there should be unique pairs of input and output.

In the given relation, the domain is {3,5,-1,-2}.

No element is repeated hence it is a function ..

7 0
3 years ago
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