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
jolli1 [7]
3 years ago
11

A data set includes 106 body temperatures of healthy adult humans having a mean of 98.9 degrees F and a standard deviation of 0.

62 degrees F. Construct a 99 % confidence interval estimate of the mean body temperature of all healthy humans. What does the sample suggest about the use of 98.6 degrees F as the mean body temperature? What is the confidence interval estimate of the population mean? Round to three decimal places as needed.
Mathematics
1 answer:
barxatty [35]3 years ago
7 0

Answer:

Step-by-step explanation:

Sample mean x bar = 98.9

Std dev s = 0.62

Sample size n = 106

Std error = \frac{s}{\sqrt{n} } =0.0602

Since population std deviation not known we can use t critical value.

t critical for 99% with df = 105 is 1.98

Margin of error = ±1.98(0.0602) =±0.1192

Confidence interval for sample mean = (98.9±0.1192)

=(98.781, 99.019)

2) Sample mean confidence interval suggests that sample mean is different  from the population since 98.6 is not contained in the confidence interval.

3) Population interval confidence mean would be

98.6±0.1192

=(98.4808, 98.7192)

You might be interested in
Audrey and her family are discussing how to pay for her college
Elan Coil [88]

Answer:

$137.50

Step-by-step explanation:

11,000 x .15 (100-.85)=$1.650 amount she will have to pay annually.

$1,650/12months = $137.50 is minimum to save monthly.

4 0
2 years ago
Dr. Burger rides his bike to work in the mornings. Usually, he leaves his house at 8:20 and gets to the office at 9:00 riding at
Vika [28.1K]

Answer:

40 mph

Step-by-step explanation:

40 mins to bike usually, which means he bikes 10 miles. He needs to bike at a minimum of 10 miles in 15 mins, which translates to 40 miles in an hour.

P.S. He is going to surely be late.

8 0
2 years ago
PLZ PLZ PLZ PLZ HELP HELP HELP HELPFind the area of the shape.
Bingel [31]

Answer:

3.14

Step-by-step explanation:

The formula for the area of a circle is \pi r^2, where r is the radius. In this circle, the area would therefore be 3.14\cdot 2^2=12.56. However, since this is only a quarter circle, you need to divide the area by 4, meaning that the area of this shape is 3.14 square units. Hope this helps!

5 0
3 years ago
Read 2 more answers
Which figure must be a square?
Maslowich
I think the answer is A

Hope it helps :-) 
7 0
3 years ago
Lorena is driving a truck that is painting the lines on a new road. The lines she paints are 0.152 meters wide, and she will pai
Alina [70]

Answer:

  8.284 × 10^4 m^2

Step-by-step explanation:

The area is the product of length and width:

  (5.45·10^5 m)·(0.152 m) = 0.8284·10^5 m^2 = 8.284·10^4 m^2

5 0
3 years ago
Other questions:
  • What is the value of 36x-8y2 when x=3 and y=-6
    6·1 answer
  • How many solutions does
    12·1 answer
  • Showton Middle School has 840 students. Teresa surveys a random sample of 60 students and finds that 8 of them have more than 3
    10·1 answer
  • Can someone help me with this last one
    5·1 answer
  • Find the common ratio of the<br> geometrie sequence -15, -30, -60, ...
    9·1 answer
  • Solve for K 2(k - 5) + 3k = k + 6
    12·1 answer
  • In a certain year, 88% of all Caucasians in the U.S., 73% of all African-Americans, 73% of all Hispanics, and 75% of residents n
    14·1 answer
  • Find arc DC please help me
    13·1 answer
  • What is the product? Complete the equation.<br><br> -5. (-9) =
    12·1 answer
  • Why is brainly not showing me answers on laptop
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!