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mote1985 [20]
3 years ago
11

I am giving 15 points to however does this for me

Mathematics
1 answer:
Basile [38]3 years ago
6 0
You would spend 25 minutes on the elliptical trainer, and 15 minutes on the stationary bike.
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The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed
OlgaM077 [116]

Answer:

Test is Left tailed test

Parameter tested is standard deviation

Step-by-step explanation:

We are given the hypothesis as;

Null hypothesis; H0: σ = 8.6

Alternative hypothesis; H1: σ < 8.6

Where;σ is a constant generally known in statistics as the standard deviation.

Now, it's the alternative hypothesis that will let us know whether this is left tailed, right tailed or two tailed.

Alternative hypothesis says σ < 8.6.

This means that the values of σ that satisfy this hypothesis are less than 8.6 and thus are on the left hand side of 8.6 on a number line. Thus, the shaded region in a normal distribution curve will be on the left.

Thus, it's a left tailed test

3 0
3 years ago
HELP! Write the equation in standard form of the line that has x-intercept -2 and y- intercept 4.
____ [38]

Answer:

y=4x-2

Step-by-step explanation:

go to desmos graphing calc. u will see explanation :)

7 0
3 years ago
Pandas: There is a well-studied panda population in Wuyipeng. In 1981 there were 25 pandas and the researchers determined that t
Mademuasel [1]

The equation that models the data on pandas is FV = 25(1.066)^t.

<h3>What models the data?
</h3>

The formula for calculating future value of the pandas is:

FV = P (1 + r) ^n

  • FV = Future value
  • P = Present value
  • R = annual population growth
  • N = number of years

FV = 25(1.066)^t

To learn more about future value, please check: brainly.com/question/18760477

#SPJ1

8 0
2 years ago
Rectangles
snow_lady [41]

Answer: rectangles are congruent if both of them have the opposite sides are equal

Step-by-step explanation: rectangles are congruent if both of them have the opposite sides are equal. Two squares are congruent if both of them have the same edges.

6 0
2 years ago
Read 2 more answers
Lindsey wants to figure out her final math grade scores are 88.5% 90% 82% 94.5% and 80% what is Lindsey‘s final average?
topjm [15]

Answer:

87%

Step-by-step explanation:

  1. 88.5% + 90% + 82% + 94.5% + 80% = 435%
  2. 435% ÷ 5 = 87%
  3. So, Lindsey's final average is 87%

I hope this helps!

8 0
3 years ago
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