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
Aleksandr [31]
3 years ago
6

The TI-83/84 Plus calculator can be used to generate random data from a normally distributed population. The command randNorm(10

0,15,50) generates 50 values from a normally distributed population with and . One such generated sample of 50 values has a mean of 98.4 and a SD of 16.3. Assume that is known to be 15. Estimate the mean value from the random number generator using 99% confidence
Mathematics
1 answer:
postnew [5]3 years ago
3 0

Answer:

99% confidence interval for the mean value from the random number generator is a lower limit of 85.87 and an upper limit of 110.93.

Step-by-step explanation:

Confidence interval = mean +/- margin of error (E)

mean = 98.4

sd = 16.3

n = 15

degree of freedom (df) = n - 1 = 15 - 1 = 14

confidence level (C) = 99% = 0.99

significance level = 1 - C = 1 - 0.99 = 0.01 = 1%

t-value corresponding to 14 df and 1% significance level is 2.977.

E = t×sd/√n = 2.977×16.3/√15 = 12.53

Lower limit = mean - E = 98.4 - 12.53 = 85.87

Upper limit = mean + E = 98.4 + 12.53 = 110.93

99% confidence interval for the mean is between 85.87 and 110.93

You might be interested in
Plz i need helpPlzzzzz I need help
Klio2033 [76]

Answer:

51%

Step-by-step explanation:

Add up the tallies, as follows:  17+24+9+19.  Then divide the "cycling" tally (24) by this sum ( 69), obtaining the "observed probability that the customer will want to cycle"):  p = 24/69 = 34.7%.

6 0
3 years ago
Rapid Rental Car charges a $30 rental fee, $15 for gas, and $0.65 per mile driven. For the same car, Capital Cars charges $35 fo
andreev551 [17]

You gave me numbers but forgot the question. Without a question there is no answer.

5 0
3 years ago
What is 149/18 in its simplest form
Helga [31]
Its simplest form is 8 5/18
4 0
3 years ago
Read 2 more answers
What is the value of p
Elan Coil [88]

Answer:

B. 40

Step-by-step explanation:

p is the opposite of 140.

180 - 140 = 40

6 0
3 years ago
Read 2 more answers
4 7/10 + 6/8 Fractions please help cant solve. used two methods but answer isnt the same as the answer page from the book
erastova [34]

Answer:

5 9/20

Step-by-step explanation:

4 7/10 + 6/8

Simplify the fractions by dividing the second top and bottom  by 2

4 7/10 + 3/4

Getting a common denominator of 20

4 7/10 *2/2  + 3/4 * 5/5

4 14/20  + 15/20

4 29/20

4 + 20/20 + 9/20

4+1+9/20

5 9/20

6 0
3 years ago
Read 2 more answers
Other questions:
  • Help with Probability!!
    6·2 answers
  • Select the x-coordinate of the vertex of the parabola defined by the function f(x)=-9x^2+7x+8
    7·2 answers
  • What is the value of x to the nearest tenth <br> 3.6 <br> 5.8<br> 11.5<br> 14.3
    15·2 answers
  • Thomas collects dimes and quarters in his change jar. If he has 7 more dimes than quarters, and the total amount of money in the
    9·1 answer
  • A forest has 800800800 pine trees, but a disease is introduced that kills \dfrac{1}{4} 4 1 ​ start fraction, 1, divided by, 4, e
    5·1 answer
  • Help, can anyone help? I’ve been stuck on this question :( I’ll make sure to give Brainly.
    10·1 answer
  • HELP!!!!
    8·1 answer
  • Benny went to his local zoo that featured 6 lion exhibits. If these lion exhibits make up 25% of the zoo's exhibits, then how ma
    14·1 answer
  • I remember when I was in 8th grade there was this one girl who was very shy but she was also very pretty and she had really big
    11·2 answers
  • Pls I need pls help me
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!