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Setler79 [48]
3 years ago
11

When two births are randomly selected, the sample space for genders is bb, bg, gb and gg. assume that those four outcomes are eq

ually likely. does the mean of the sample proportions equal the population proportion of girls in two births?
Mathematics
1 answer:
kumpel [21]3 years ago
8 0
The answer is No. The mean of the sample and that of the population can not be equal. As the sample moves closer to the population, the mean of sample moves closer to the mean of the population

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Loga2=0.3812, loga3=0.6013, and loga5=0.9004
Bogdan [553]
<span>loga (2) = 0.3812
</span><span>loga (3) = 0.6013
</span><span>loga (5) = 0.9004
</span><span>and we should know that loga a = 1
</span>
∴ loga (30a)³ = 3 loga (30a)   = 3 loga (2 * 3 * 5 * a)                                                     = 3 ( loga 2 + loga 3 + loga 5 + loga a )   = 3 ( <span>0.3812 + 0.6013 + 0.9004 + 1 )
</span>                     = 3 * 2.8829    = 8.6487
The correct answer is option  <span>C. 8.6487</span>              


3 0
4 years ago
Joe wants to buy a skateboard but he doesn't know if he has enough money. The price of the skateboard is $85 and the sales tax i
Orlov [11]

Answer:

<h2> The skateboard has a total cost of $90.10</h2>

Step-by-step explanation:

Givens

  • The skateboard costs $85.
  • The sales tax is 6%.

The total cost of the skateboard would be $85 plus the sales tax, like the following expression shows

85+0.06(85)=85+5.1=90.1

Therefore, the skateboard has a total cost of $90.10, which includes sales tax.

3 0
3 years ago
(3/5)x + 25y=10 determine the slope of the line
Sophie [7]

Answer:

The slope is -0.048/2.000 or -0.024

Step-by-step explanation:

7 0
3 years ago
Your running speed is 8.5 miles per hour. A greyhound dog's speed is about 4.5 times faster than yours. What is the dog's speed?
Licemer1 [7]
The dog's speed is 38.95 miles per hour. Its easy! Just multiply 8.5 by 4.5 You get 38.25.
8 0
3 years ago
Read 2 more answers
34 points will mark Brainylest
Kitty [74]

-2[3x-b-2x+x-3b]

-2[(3x - 2x + x) + (-b -3b)]

-2[2x - 4b]

-4x + 8b

7 0
3 years ago
Read 2 more answers
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