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
Sophie [7]
3 years ago
11

The federal government would like to test the hypothesis that the average age of men filing for Social Security is higher than t

he average age of women set using alphaequals0.05 with the data below. If Population 1 is defined as men and Population 2 is defined as​ women, determine the​ 90% confidence interval for the difference in population means. Men Women Sample mean 64.5 years 63.6 years Sample size 35 39 Population standard deviation 3.0 years 3.5 years A. ​(0.75, 1.05) B. ​(0.52, 1.28) C. ​(minus​0.34, ​2.14) D. ​(minus​1.37, ​3.17)
Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
4 0

Answer:

C     (3²/35+3.5²/39)    For more enquiries connect [email protected] AT MY G mail account

You might be interested in
A car is traveling on a small highway and is either going 55 miles per hour or 35 miles per hour, depending on the speed limits,
elena-s [515]

9514 1404 393

Answer:

  2.05 hours

Step-by-step explanation:

Using the given equation with the given time, we have ...

  55x +35(2.5) = 200

  55x = 112.5 . . . . . . . . subtract 87.5

  x = 2.05 . . . . . . . . . . divide by 55

The car spends 2.05 hours at 55 mph.

6 0
3 years ago
it was recently estimated that domestic vehicles out numberforegin vehicles by about six to five. if there are 2673 vehicles in
klio [65]

The question is an example of a ratio problem. This implies that

\begin{gathered} \text{Domestic vehicles ratio=6} \\ \text{Foreign vehicles ratio=5} \\ Sum\text{ of vehicles ratio =5+6=11} \end{gathered}

Therefore, le the number of domestic vehicles be x. We can say that;

\begin{gathered} \frac{6}{11}=\frac{x}{2673} \\ 11x=16038 \\ x=\frac{16038}{11} \\ x=1458 \end{gathered}

Answer: 1458

7 0
1 year ago
What is 524 rounded to nearest 10
ValentinkaMS [17]
Answer: 520
Explanation: The 4 is not bigger than 5
5 0
2 years ago
Read 2 more answers
Original price: $32<br> Discount: ?<br> Sale price: $8
Sati [7]

Answer:  75%

Step-by-step explanation:

32 dollars times 75% = 24

32 - 24 = $8

6 0
3 years ago
What is the first quartile of the following data set?<br> 15, 18, 20, 21, 23, 24, 26, 29, 34, 37, 40
nikklg [1K]

Answer:

20.5

Step-by-step explanation:

20 + 21 = 41.   Divide 41 by 2 than you get 20.5.

3 0
3 years ago
Other questions:
  • What's the algebraic expression for n cubed increased by 5??
    10·1 answer
  • A Food Marketing Institute found that 30% of households spend more than $125 a week on groceries. Assume the population proporti
    8·1 answer
  • A cable installer charges 40 per hour plus a 60 service charge your father firm hires to hook up his company's internet service
    5·1 answer
  • Please help me out please
    12·1 answer
  • I need the answer fast pls
    9·1 answer
  • Brad bought a shirt at a 20% discount and with sales tax of 5%. How can the expression 1.05(x - 0.2x) be rewritten to show what
    13·1 answer
  • Find the equation of the exponential function represented by the table below
    8·2 answers
  • Jim has 2 pencils, 2 pens and 2 markers. Find the number of ways of choosing a pencil, a pen and a marker.
    6·1 answer
  • Carl and Joseph are recycling newspapers for a school project. They have collected 600 pounds of newspaper, which they must sepa
    7·1 answer
  • A spinner and 4 cards are shown below:
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!