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agasfer [191]
3 years ago
14

Find the value of z.

Mathematics
1 answer:
Volgvan3 years ago
7 0

Answer:

The formula for calculating a z-score is is z = (x-μ)/σ, where x is the raw score, μ is the population mean, and σ is the population standard deviation. As the formula shows, the z-score is simply the raw score minus the population mean, divided by the population standard deviation.\

Step-by-step explanation:

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What is the exponent of 36
solong [7]
Since 36 = 36^1 I would say the exponent is 1
5 0
3 years ago
Please help
nalin [4]

Answer:

12870ways

Step-by-step explanation:

Combination has to do with selection

Total members in a tennis club = 15

number of men = 8

number of women = 7

Number of team consisting of women will be expressed as 15C7

15C7 = 15!/(15-7)!7!

15C7 = 15!/8!7!

15C7 = 15*14*13*12*11*10*9*8!/8!7!

15C7 = 15*14*13*12*11*10*9/7 * 6 * 5 * 4 * 3 * 2

15C7  = 15*14*13*12*11/56

15C7 = 6,435 ways

Number of team consisting of men will be expressed as 15C8

15C8 = 15!/8!7!

15C8 = 15*14*13*12*11*10*9*8!/8!7!

15C8 = 15*14*13*12*11*10*9/7 * 6 * 5 * 4 * 3 * 2

15C8 = 6,435 ways

Adding both

Total ways = 6,435 ways + 6,435 ways

Total ways = 12870ways

Hence the required number of ways is 12870ways

4 0
3 years ago
What is the result when you convert 7/8 to a percent?
viktelen [127]

Answer:

87.5%

Step-by-step explanation:

4 0
4 years ago
What is the sum of the first 10 terms of the geometric sequence 4, -12, 36, -144
Oksanka [162]

The sum of the first 10 terms of the sequence 4, -12, 36, -144 is -59058

The given geometric sequence is:

4, -12, 36, -144

The first term, a = 4

The common ratio,

r = \frac{-12}{4}\\r = -3

Since we are looking for the sum of the first 10 terms

The number of terms, n = 10

The sum of the first n terms of a geometric sequence is given as:

S_n = \frac{a(1-r^n)}{1-r} \\S_n = \frac{4(1-(-3)^{10}}{1-(-3)} \\S_n = \frac{4(1-59049)}{4} \\S_n = -59048

The sum of the first 10 terms of the sequence 4, -12, 36, -144 is -59058

Learn more here: brainly.com/question/15626828

3 0
3 years ago
In 2015, the population of a town was 8914. The population is expected to grow at a rate of 1.36% each year. At this rate, what
wolverine [178]

Answer:

320904

Step-by-step explanation:

7 0
3 years ago
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