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seraphim [82]
2 years ago
10

The annual fundraising goal of a sports team is 100,000. So far 56,359 has been raised. How much more money is needed to reach t

he goal
Mathematics
1 answer:
Umnica [9.8K]2 years ago
5 0

Answer:

43641

Step-by-step explanation:

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(MIDDLE SCHOOL MATH) what is the answer for b)?
lesya692 [45]

Answer:

because it easily displays all of the info

7 0
3 years ago
Read 2 more answers
In a recent contest, the mean score was 210 and the standard deviation was 25. a) Find the z-score of John who scored 190 b) Fin
denpristay [2]

Answer:

a) Z = -0.8

b) Z = 2.4

c) Mary's score was 241.25.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

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 problem, we have that:

\mu = 210, \sigma = 25

a) Find the z-score of John who scored 190

Z = \frac{X - \mu}{\sigma}

Z = \frac{190 - 210}{25}

Z = -0.8

b) Find the z-score of Bill who scored 270

Z = \frac{X - \mu}{\sigma}

Z = \frac{270 - 210}{25}

Z = 2.4

c) If Mary had a score of 1.25, what was Mary’s score?

Z = \frac{X - \mu}{\sigma}

1.25 = \frac{X - 210}{25}

X - 210 = 25*1.25

X = 241.25

Mary's score was 241.25.

3 0
3 years ago
Read 2 more answers
80 90 10 75 90 95 99 find the mean and medain which measures of center best repersents the data
beks73 [17]

Answer:

77

Step-by-step explanation:

sum of all number/total numbers

80+90+10+75+98+95+99/7

77

4 0
3 years ago
Rebecca needs 10 1/2 yards of fabric to make a quilt. She has one piece of fabric that is 2 1/2 yards and another piece of fabri
klasskru [66]

Answer:

ans = 4

Step-by-step explanation:

he has 2 1\2 and 4 1\4

to find the ans, we must firstly find out his total amount of fabric, so we add the available fabric

first we add whole numbers

2 + 4 = 6

then we add fractions

1 1

--- + ---

2 4

2 + 1 3

------------- = ---

4 4

after we add the whole no and fraction

6 + 3\4 = 6 3\4

note 10 1\2 is greater than 6 3\4

so to find the part left, we

have

10 1\2 - 6 3\4

as our answer

3 0
2 years ago
10/b10=6/b-2 solve for b pls
Andrews [41]
The answer is b= -2/5

8 0
2 years ago
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