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iVinArrow [24]
3 years ago
13

Deon has been given a list of 3 bands and asked to place a vote. His vote must have the names of his favorite and second favorit

e bands from the list. How many different votes are possible?
Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
6 0

Answer:

6

Step-by-step explanation:

Deon has to pick 1 band for his favorite band, and one band for his second favorite band. There are 3 options for his favorite band, and after picking this band, there are 3-1=2 options for his second favorite band. 3*2=6.

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Minnesota Public Radio wants to duplicate a survey conducted in 2016 that found that 65% of adults living in Minnesota felt that
vesna_86 [32]

Answer:

The number of people needed  is n =684  

Step-by-step explanation:

From the question we are told that

  The population proportion is  p = 0.65

   The margin of error is  E = 0.03

From the question we are told the confidence level is  90% , hence the level of significance is    

      \alpha = (100 - 90 ) \%

=>   \alpha = 0.10

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  1.645

Generally the sample size is mathematically represented as

       n =[ \frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * p(1-p)

=>    n =[ \frac{1.645 }{0.03} ]^2 * 0.65(1-0.65)

=>    n =684  

6 0
3 years ago
OK I need help the answer is c but I didn't understand the teacher explanation pls help me
serg [7]
9 - 6 + 4 - 8/3 ..,
geometric series a(n) = a1r^(n-1)

r = a(n+1)/a(n)
-6/9 = -2/3
4/-6 = -2/3
-8/3/4 = -2/3
so r = -2/3 and a1 = 9

Sn = a1(1-r^n)/(1-r) = 9(1-(-2/3)^n)/(1-(-2/3))
n is infinite Sn = 9/(5/3) = 27/5
7 0
3 years ago
James spent no more than $20 at the mall. Write an inequality to represent how much James spent.
zepelin [54]

Answer:

F

Step-by-step explanation:

F

4 0
2 years ago
Read 2 more answers
Creat a table to show values for g and a
babunello [35]

this is the one that I did

7 0
3 years ago
If p(a) = 0.50, p(b) = 0.60, and p(a intersection
bogdanovich [222]
Use the identity P(A ∪ B) = P(A)+P(B)-P(A ∩ B)

P(A)=0.50
P(B)=0.60
P(A ∪ B) = 0.30
=>
P(A ∪ B) = P(A)+P(B)-P(A ∩ B)
=(0.50+0.60)-0.30
=0.80
5 0
2 years ago
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