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sweet-ann [11.9K]
3 years ago
8

a carpenter is constructing a staircase in a house the distance from the first floor to the basement is 10.3 feet the staircase

will be 17.9 feet long what angle do the stairs make with the basement floor?

Mathematics
1 answer:
Olegator [25]3 years ago
7 0
Check the picture below.

make sure your calculator is in Degree mode.

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Find the critical value from the Studentized range distribution for H0: μ1 = μ2 = μ3 = μ4 = μ5, with n = 35 at α = 0.01. Provide
Aleonysh [2.5K]

Answer:

t-value = 2.441

Step-by-step explanation:

Let's assume that this is a one-tailed test to calculate the critical value, the process is this:

  • Calculate alpha (α): α = 1 - (confidence level / 100) , but we already have this α=0.01
  • Find the critical probability (p*): p* = 1 - α/2  = 1-0.005=0.995
  • Then, the critical value would be shown as a t statistic, but for this we need:

degrees of freedom (df)= n-1=35-1=34

  • The critical t statistic (t*) or critical value is the t-value having degrees of freedom equal to 34 and a cumulative probability equal to 0.995.

From the attached table we can see:

t-value = 2.441

8 0
3 years ago
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