1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bazaltina [42]
3 years ago
15

For a two-tailed test with a sample size of 20 and a .20 level of significance, the t value is _____. Selected Answer: d. 1.328

Mathematics
1 answer:
Marianna [84]3 years ago
3 0

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

You might be interested in
Evaluate to earn 10 points and brainliest
Helga [31]

Answer: -8

Step-by-step explanation:

if y=6x+(-2),  than y= 6x-2

if x=-1 we will replace x with this value

y=6(-1)-2=-6-2=-8

5 0
3 years ago
Use the quadratic formula to write a quadratic equation has a solution x=2+-4/-2
7nadin3 [17]
Solve the rational equation by combining expressions and isolating the variable
x
x
.
x
=
41
5 0
2 years ago
Plzzzzz help will give brainliest !!
Phoenix [80]

Answer:

-4 + -2 = -6

Step-by-step explanation:

5 0
3 years ago
Will give Brainliest! if right!
Bogdan [553]
There are 11 letters in total.
T & B 
T = 1/11
B = 2/11
The total probability is 3/11.
6 0
3 years ago
What is the approximate length of minor arc XZ
Yakvenalex [24]

Answer:

3.7

Step-by-step explanation:

2r(pi)(∅/360)

2*3*(pi)*(70/360)

6*(pi)*(0.19444...)

3.665191429188092

3.7

3 0
3 years ago
Other questions:
  • In a game of checkers, there are 12 red game pieces and 12 black pieces. What is the probability that the first two checkers he
    12·1 answer
  • 1<br> 3<br> (<br> x<br> +<br> 1<br> )<br> 2<br> =<br> 15
    7·1 answer
  • Paul's car is 18 feet Long he is making a model of his car that is 1/8 the actual size what is the length of the model
    9·1 answer
  • The function f(t) = 1600(1.3) represents the change in a quantity over t days.
    15·1 answer
  • Find the rate of a/b and complete the equivalent ratio 69​
    5·1 answer
  • When Emma was born she was 20.5 inches long. At her 6-month checkup, she was 26.25 inches long. Emma's length . Percent Change =
    12·3 answers
  • Flora made 7 withdrawals of 275
    8·1 answer
  • 3 1/5 divided by 1 1/2
    5·1 answer
  • Please help!!!!!!!
    12·1 answer
  • What value is equivalent to 5³ – 2 • 3 – (7² + 50)?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!