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Shkiper50 [21]
3 years ago
5

Nine stuffed animals, all different, are placed along a babies toy shelf.  How many possible  arrangements are there if:  a)  th

ere are no restrictions.  b)  Cookie Monster must be in the middle.  c)  BERT and ERNIE must be together.  d)  BERT, ERNIE, and OSCAR must be together.  e)  BERT, ERNIE, and OSCAR must not be together.  f)  they must not be in alphabetical order. 
Mathematics
2 answers:
BartSMP [9]3 years ago
5 0
<span>BERT, ERNIE, and OSCAR must be together.  e)  </span>
zzz [600]3 years ago
4 0
A)  there are no restrictions = 9^9 = 81
b) Cookie Monster must be in the middle = 8^8 = 64
c) <span>BERT and ERNIE must be together =  Out of 9, 7 can be rearranged
d) </span><span>BERT, ERNIE, and OSCAR must be together = Out of 9, 6 can be rearranged
e)  UNSURE OF ANSWER E AND F
</span>
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Plz Help me with this
ololo11 [35]
The answer is b. 2/5
5 0
4 years ago
Cyber Monday Shopping A survey of U.S. adults found that of people said that they would get no work done on Cyber Monday since t
Delicious77 [7]

Complete question :

Cyber Monday Shopping A survey of 1000 U.S. adults found that 33% of people said that they would get no work done on Cyber Monday since they would spend all day shopping online. Find the 95% confidence interval of the true proportion.

Answer:

(0.301 ; 0.359)

Step-by-step explanation:

Sample size, n = 1000

Phat = 0.33

(1 - phat) = 1 - 0.33 = 0.67

Zcritical at 95% = 1.96

Confidence interval :

Phat ± margin of error

Margin of Error = Zcritical * sqrt[(phat(1 - phat)) /n]

Margin of Error = 1.96 * sqrt[(0.33 * 0.67) / 1000]

Margin of Error = 1.96 * 0.0148694

Margin of Error = 0.0291440

Lower boundary = (0.33 - 0.0291440) = 0.300856

Upper boundary = (0.33 + 0.0291440) = 0.359144

(0.301 ; 0.359)

3 0
3 years ago
Find the area of this parallelogram. be sure to include the correct unit in your answer
gulaghasi [49]

Answer:

84ft

Step-by-step explanation:

The formula to find the area of a parallelogram is b x h.

The base is 14ft and the height is 6ft. Multiply these together.

14 x 6 = 84ft

6 0
3 years ago
Read 2 more answers
A ruby throated humming bird flaps its wings 159 times in three seconds. How many times does the ruby throated humming bird beat
Naddik [55]

If it flaps its wings 159 times in <em>3 </em>seconds, it'll be able to flap them <em>1/3 </em>of that amount in 1 second, which would be 1/3 · 159 = 53 flaps per second.

7 0
3 years ago
Solve the system of equations. 2x+2y+7z=9, 2x+6y+5z=7, 5x+2y+4z=9. a.x=3 y=-2 z=3 b.x=1 y=0 z=1 c.x=2 y=-1 z=0 d. x=0 y=1 z=2
ki77a [65]
The answer is B

Hope this helps.
6 0
4 years ago
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