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
Black_prince [1.1K]
3 years ago
14

A cell phone service provider has selected a random sample of 20 of its customers in an effort to estimate the mean number of mi

nutes used per day. the results of the sample included a sample mean of 34.5 minutes and a sample standard deviation equal to 11.5 minutes. based on this information, and using a 95 percent confidence level:
Mathematics
1 answer:
oksian1 [2.3K]3 years ago
8 0
So, we are doing mean and median range
or another else
You might be interested in
A class of 20 boys and 15 girls is divided into n groups so that each group has x boys and y girls. Find x, y and n. what values
melamori03 [73]
20 = 2 x 2 x 5
15 = 3 x 5

common divisor (CD) of 20 and 15 is 5 so n should be 5 and each group has 4 boys and 3 girls.

If there are more than one CD, then there are more than one answer.

If they ask for the largest number of groups, greatest common divisor (GCD) will be the answer.
4 0
3 years ago
Students were asked to choose their favorite food and 4/8 of the students choose pizza and tacos . If 2/8 of the students chose
Svetach [21]

The solution is in the attachment

7 0
3 years ago
F(x)=x^2 what is g(x)
AysviL [449]
Is C g(x) = -X^2 -3

This is the answer
4 0
3 years ago
7/8 - 6/7. what is the answer.???
lesantik [10]

Answer:

0.0178 is the answer

6 0
1 year ago
If Josh invests $500 in a 5-year fixed interest savings bond that pays 5% per annum, how much will his entire investment be wort
gizmo_the_mogwai [7]

Answer:

$638.14

Step-by-step explanation:

Our equation is p*(1+x)^{t}, with p being the starting amount, x being the interest rate, and t being the time. Plugging our variables in, we get

500*(1+0.05)^{5} = around 638.14

6 0
2 years ago
Other questions:
  • A.Tyler feeds his puppy 5/6 cup of food at each meal. How many 1/6 cups does he feed his puppy at each meal?
    13·1 answer
  • Plz answer my question quickly!!!!! First person to respond will get brainliest!!!!!
    10·2 answers
  • Evaluate the expression when y = -2<br> -6y
    5·2 answers
  • NEED HELP ASAP, EASY PROBLEM! Number 4 pls
    11·1 answer
  • Please help me out :)
    14·1 answer
  • if you decrease by a given percent and then increase by the same percent, will you be back where you started? how do you know
    13·1 answer
  • Can you please help me
    8·2 answers
  • If m∠2 = 88° then what does m∠4 = ????
    5·1 answer
  • Aisha just took a math test consisting of 20 total questions (all worth the same
    10·1 answer
  • NOCTI MATH REVIEW
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!