Answer:
1.328
Step-by-step explanation:
Given :
Sample size, n = 20.
Degree of freedom, df = n - 1
df = 20 - 1 = 19
α = 0.2
Using the T-distribution calculator :
Since it is two - tailed:
Tα/2 ; 19 = T0.2/2 ; 19 = T0.1, 19 = 1.3277 = 1.328
Answer:
180 pages
Step-by-step explanation:
let x be the number of pages in the book , then
x + 40 = x ( multiply through by 9 to clear the fraction )
7x + 360 = 9x ( subtract 7x from both sides )
360 = 2x ( divide both sides by 2 )
180 = x
The total number of pages in the book is 180
Answer:
($14.37 was the original price)
Step-by-step explanation:
Work shown above! Answer would be D. hope this helps c:
Answer:
a survey of L.A. musicians taken to determine their favorite type of breakfast cereal
Step-by-step explanation:
because all of the surveyed were asked questions that were related to what the do. Musicians and cereal have nothing to do with each other.
Hope this helps. If it does, can i have brainliest?
