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harkovskaia [24]
4 years ago
12

A group of preschoolers has 23 circles and 19 girls what is the the ratio of girls to boys

Mathematics
1 answer:
Artyom0805 [142]4 years ago
4 0

Answer:

my 2 cents would be 23:19

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For this case we have that by definition the growth of a population is a function of the form:

f (x) = a (b) ^ x

Where,

  • <em>a: initial population </em>
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  • <em>x: number of years </em>

We observe then that the function is of the exponential type.

Answer:

C) Exponential

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Suppose the time that it takes a certain large bank to approve a home loan is Normally distributed with mean (in days) μ and sta
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Answer:

(c) H0 should be rejected

Step-by-step explanation:

Null hypothesis (H0): population mean is equal to 5

Alternate hypothesis (Ha): population mean is greater than 5

Z = (sample mean - population mean) ÷ (sd/√n)

sample mean = 5.3, population mean = 5, sd = 1, n = 500

Z = (5.3 - 5) ÷ (1/√500) = 0.3 ÷ 0.045 = 6.67

Using the normal distribution table, for a one tailed test at 0.01 significance level, the critical value is 2.326

Conclusion:

Since 6.67 is greater than 2.326, reject the null hypothesis (H0)

4 0
3 years ago
for three consecutive years the cost of gasoline increased by 9%, 13%, 22%. what was the overall percentage increase of the cost
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Step-by-step explanation:

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B.

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When the number is positive and not inside the parentheses it means it gets translated up.

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