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STatiana [176]
3 years ago
9

When 14 different second-year medical students measued teh systolic blood pressure of the same person, they obtained the results

listed below. assuming that the population standard deviation is known to be 10 mmhg, use
a.05 significance level to test the claim that the mean blood pressure leve is less than 140 mmhg. hypertenstion is defined to be a blood pressure level taht is too high because it is 140 mmhg or greater. assume the blood pressure levels are normally distributed. based on the test results, can it be safely concluded that the person does not have hypertension. 138,140,135,120,120,125,120,140,130,144,143,130,140,150?
Mathematics
1 answer:
malfutka [58]3 years ago
7 0
Mean = 133.9
then calculate the z value
with z value you will find out the p value on a table.
if the p value is below .05 reject the null hypotheses
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At the beginning of the day the stock market goes down 4014 40 1 4 points and stays at this level for most of the day. At the en
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Answer:

<h2>124.51%</h2>

Step-by-step explanation:  

In this problem, we are expected to solve for the percentage change, given the opening  point and the closing point

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the formula to calculate the percentage change is given as

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substituting our given data we have

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ngozi earns \$24{,}000$24,000dollar sign, 24, comma, 000 in salary in the first year she works as an interpreter. each year, she
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The function that Ngozi's salary s(t) in dollars, t years after she starts to work as an interpreter is given by S = 24000 *  (1.035)^t.

What is a function?

  • A function in mathematics from a set X(ax) to a set Y allocates exactly one element of Y to each element of X(ax).
  • A relation between a collection of inputs and labor is known as a function.

You can use the fact that the raise is done on the previous year's salary.

Let the initial salary be P = $24000

After 1 year, her salary increased by R = 3.5% which, thus,

Total salary = P + increment

Similarly going on, we get

P_t = P(1+ \frac{R}{100})^t = S (we can say)

Putting values of P(value of P) and R(value of R), we get

S = 24000(1 + 0.035)^t = 24000 *(1.035)^t

Thus,

The function that Ngozi's salary s(t) in dollars, t years after she starts to work as an interpreter is given by

S = 24000 *  (1.035)^t

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