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
oksano4ka [1.4K]
3 years ago
14

The population mean for a college Introduction to Biology quiz is 15 points. A sample of 45 high school seniors earns an average

of 18.54 points. A 90% confidence interval for the true mean of high school seniors is [15.87, 21.20]. Based on this confidence interval, what would your decision be in regard to a 2-tailed null with an alpha level of 0.1
Mathematics
1 answer:
GalinKa [24]3 years ago
3 0

Answer:

C) Reject null, because 15 is not in the interval.

Step-by-step explanation:

You might be interested in
pam walks 7/8 of a mile to school paul walks 1/2 of a mile to school how much farther does pam walk than paul
OLEGan [10]
She walked
3/8 of a mile more


3 0
3 years ago
Read 2 more answers
Solve for the smallest value of $x$ such that $24x^2 + 17x - 20 = 0.$ Express your answer as a simplified common fraction.
Gala2k [10]
X=5/8 or x=-4/3 
here is the work if needed...
24x^2+17x-20=0
Step one: Factor left side of equation.
(8x-5)(3x-4)=0
Step two: Set factor equal to 0.
8x-5=0 or 3x-4=0
x=5/8 or x=-4/3
4 0
3 years ago
Helppppp plssss I’m not tryna fail math !!!
kirill [66]

Step-by-step explanation:

  1. 1.25 × 10^-4
  2. 2.0 × 10^-4
  3. 3.25×10^-6
4 0
3 years ago
Aidan rollerblades 540 ft per min. at this rate how far in yards will he rollerblade in 5 min( 1 yd =3 ft)​
Pani-rosa [81]

Answer:

900 yards

Step-by-step explanation:

540/3=180

180x5=900

6 0
3 years ago
Sixty nine percent of U.S households play video or computer games. Chose 4 heads of households at random. Find the probability t
leva [86]

Answer: 1*(69/100)^0*(31/100)^4 = 0.0092 or 0.0092*100 = 0.92%

6 0
3 years ago
Read 2 more answers
Other questions:
  • Anita purchased a golf cart for her soccer field maintenance business. The cart cost $8,999 and has a useful life of 5 years. It
    5·2 answers
  • The area of a square is 64n36 square units. What is the side length of one side of the square?
    8·1 answer
  • one satellite radio station service charges $10 per month plus an activation fee of $20. A second service charges $11 per month
    10·1 answer
  • Find the perimeter of a hexagon whose sides mea<br> sides measure 7 mm
    13·2 answers
  • I need help with 5-6
    15·1 answer
  • Kendrick’s math quiz grades are 90, 100, 48, 88, 100, and 96. Find the MEAN of Kendrick’s scores.
    7·1 answer
  • The positive integer k has exactly two positive prime factors, 3 and 7. If k has a total of 6 positive factors, including 1 and
    7·1 answer
  • 50 points! Please help mhanifa I need this done fast! If anyone else answers with the wrong answer you will be reported
    15·2 answers
  • How is the product of 2 and 5 shown on a number line?
    13·1 answer
  • A:b=2:5 b:d=4:3 c:d=4:5 a:e=1:3 a+b+c+d+e=792 a=? b=? c=? d=? e=?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!