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
Wewaii [24]
3 years ago
6

Tell whether the number is prime or composite 68?

Mathematics
1 answer:
Blababa [14]3 years ago
3 0
Composite.
Because the definition of them is, <span>A prime number has only two factors: 1 and itself. A composite number has more than two factors. The number 1 is neither prime nor composite. The prime numbers between 2 and 31 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 and 31 since each of these numbers has only two factors, itself and 1.

Hope this helped!!! :)
-Ginger
</span>
You might be interested in
The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in t
andreyandreev [35.5K]

Answer:

The test statistic is c. 2.00

The p-value is a. 0.0456

At the 5% level, you b. reject the null hypothesis

Step-by-step explanation:

We want to test to determine whether or not the mean waiting time of all customers is significantly different than 3 minutes.

This means that the mean and the alternate hypothesis are:

Null: H_{0} = 3

Alternate: H_{a} = 3

The test-statistic is given by:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation and n is the size of the sample.

Sample of 100 customers.

This means that n = 100

3 tested at the null hypothesis

This means that \mu = 3

The average length of time it took the customers in the sample to check out was 3.1 minutes.

This means that X = 3.1

The population standard deviation is known at 0.5 minutes.

This means that \sigma = 0.5

Value of the test-statistic:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{3.1 - 3}{\frac{0.5}{\sqrt{100}}}

z = 2

The test statistic is z = 2.

The p-value is

Mean different than 3, so the pvalue is 2 multiplied by 1 subtracted by the pvalue of Z when z = 2.

z = 2 has a pvalue of 0.9772

2*(1 - 0.9772) = 2*0.0228 = 0.0456

At the 5% level

0.0456 < 0.05, which means that the null hypothesis is rejected.

7 0
3 years ago
Two equations are given below: a – 3b = 9 a = b – 3 What is the solution to the set of equations in the form (a, b)?
Vilka [71]
A-3b=9
a=b-3

b-3-3b=9
-2b-3=9
-2b=12
2b=-12
b=-6

a=-6-3
a=-9

Solution: (-9,-6)
----
Check: 
-9=-6-3
-9=-9
TRUE


7 0
3 years ago
Read 2 more answers
Solve −4(x + 10) − 6 = −3(x − 2).
Dmitriy789 [7]
Should be the right answer ☺️

4 0
3 years ago
Read 2 more answers
I WILL AWARD BRAINLIEST!!
wariber [46]

Answer:1. 70% 2. -40%


Step-by-step explanation:hope this helped :)


6 0
3 years ago
3.
coldgirl [10]
The answer is a I think that is correct
3 0
2 years ago
Other questions:
  • g A random sample of 36 pairs of jeans is selected. Find the probability that less than 20% of them are defective. (Round your a
    14·1 answer
  • What decimal is equivalent to 13/11​
    6·1 answer
  • Filo earns $8 per hour, but he buys lunch for $5. How much money does he have left after he works x number of hours a day? Write
    12·1 answer
  • Write a formula for the general term or nth term for the sequence. Then find the indicated term. three fourths comma three sixte
    14·1 answer
  • Musah stands at the centre of a rectangular field. He first takes 50 steps north, then 25 steps
    15·1 answer
  • Can someone pls help me with this
    6·2 answers
  • The goal of a toy drive is to donate more than 1000 toys. The toy drive already has collected 300 toys. How many more toys does
    12·1 answer
  • If aₙ = 3(3)ⁿ⁻¹ , what is S₃?<br><br> 12<br><br> 27<br><br> 9<br><br> 39
    8·2 answers
  • Question 5 (1 point)
    10·1 answer
  • 6 1/2 chocolate chips and 5/2 cups of flour how many more cups of chocolate chips use than cups of flours
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!