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
garri49 [273]
2 years ago
12

Help with this question pls

Mathematics
1 answer:
mr_godi [17]2 years ago
3 0

Answer:

128 customers

Step-by-step explanation:

Brainliest maybe? :)

You might be interested in
If OP = 15 r = 1/3 what is OP
svp [43]
The answer would be 72
8 0
2 years ago
Read 2 more answers
What value of x makes the following equation true 4+3x=160
Alexxandr [17]

Answer:

x=52

Step-by-step explanation:

160=4+3x

Subtract 4 from both sides

156=3x

Divide 3 from both sides

x=52

6 0
3 years ago
Whao knows what cuphead is?
kari74 [83]

Answer: i've heard about it but i'm not too much into it

7 0
2 years ago
Read 2 more answers
A group of researchers wants to know whether men are more likely than women to contract a novel coronavirus. They surveyed two r
olasank [31]

Answer:

Test statistic Z= 0.13008 < 1.96 at 0.10 level of significance

null hypothesis is accepted

There is no difference proportion of positive tests among men is different from the proportion of positive tests among women

Step-by-step explanation:

<em>Step(I)</em>:-

Given surveyed two random samples of 390 men and 360 women who were tested

first sample proportion

                    p_{1} = \frac{360}{390} = 0.9230

second sample proportion

                  p_{2} = \frac{47}{52} = 0.9038

Step(ii):-

Null hypothesis : H₀ : There is no difference  proportion of positive tests among men is different from the proportion of positive tests among women

Alternative Hypothesis:-

There is difference between proportion of positive tests among men is different from the proportion of positive tests among women

 

Z = \frac{p_{1}- p_{2} }{\sqrt{PQ(\frac{1}{n_{1} }+\frac{1}{n_{2} }  } }

where

          P = \frac{n_{1}p_{1} +n_{2}  p_{2} }{n_{1}+n_{2}  }

         P =  0.920

Z= \frac{0.9230-0.9038}{\sqrt{0.920 X0.08(\frac{1}{390}+\frac{1}{52}  } )}

Test statistic Z =  0.13008

Level of significance = 0.10

The critical value Z₀.₁₀ = 1.645

Test statistic Z=0.13008 < 1.645 at 0.1 level of significance

Null hypothesis is accepted

There is no difference proportion of positive tests among men is different from the proportion of positive tests among women







7 0
3 years ago
the temperature at noon is -4F. the temperature at 6:00pm is -12. what is difference between noon and 6:00pm temperature
uysha [10]

Answer:

8 degrees Fahrenheit

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • Which of the following are a pair of vertical angles?
    8·1 answer
  • A pizza is advertised as containing 250 square inches of a pizza. To the nearest inch , what is the diameter of the pizza?
    5·1 answer
  • *PLEASE HELP WILL GIVE BRAINLIEST*
    8·2 answers
  • Am I right so far?? Idk pls help
    9·1 answer
  • Basic car costing 26,500 with options costing 725.00. There is a 6% sales tax in the state and a combined 50.00 license and regi
    6·1 answer
  • Which graph represents y = RootIndex 3 StartRoot x EndRoot + 2?
    8·2 answers
  • 2/5•5/8 <br><br> A-7/40<br> B-1/4<br> C-7/13<br> D-10/13<br> E-5/4
    10·2 answers
  • Brianna has x nickels and y pennies. She has no less than 20 coins worth no more
    10·1 answer
  • Pls help and thank you
    8·1 answer
  • Write an equation of a line in slope-intercept form that has a slope of -3 and goes through the point (0, 3) O y = 3x - 1 O y =
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!