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Anni [7]
3 years ago
9

In May 2005, Tony Blair was elected for a historic third term as the British prime minister. A poll conducted after Blair's elec

tion indicated that only 32% of British adults would like to see their son or daughter grow up to become prime minister. If the same proportion of Americans would prefer that their son or daughter grows up to be president and 120 American adults are interviewed.
Required:
a. What is the expected number of Americans who would prefer their child grow up to be president?
b. What is the standard deviation of the number Y who would prefer that their child grow up to be president?
c. Is it likely that the number of Americans who prefer that their child grow up to be president exceeds 40?
Mathematics
1 answer:
Zigmanuir [339]3 years ago
8 0

Answer:

hhhghibcgunbvvv ccjjhhhhhhhjkko

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Can someone please help me with these questions!!!!
IgorLugansk [536]

Answer: B

Step-by-step explanation:

The only labeled angle is 111

We can conclude that angle 3 is also 111

1 and 2 are both less than 90

Therefore, 1 is 69, 2 is 69, and 3 is 111

5 0
3 years ago
Pls help asap whats the local min value of the function below?
shutvik [7]

Answer:

<em>given function has 2 minimums</em> - \frac{9}{4}  and  \frac{9}{4}  

Step-by-step explanation:

<u><em>Step 1.</em></u> g'(x) = 4x³ - 10x

<u><em>Step 2.</em></u> Find find the critical points:

4x³ - 10x = 2x(2x² - 5) = 0

x_{1} = - \sqrt{\frac{5}{2} } , x_{2} = 0 , x_{3} = \sqrt{\frac{5}{2} }

<u><em>Step 3.</em></u> g'(x) > 0 :  - \sqrt{\frac{5}{2} } < x < 0  or  x > \sqrt{\frac{5}{2} }

g'(x) < 0 :   x < - \sqrt{\frac{5}{2} }   or   0 < x < \sqrt{\frac{5}{2} }

<u><em>Step 4.</em></u>

If x ∈ ( - ∞ , - \sqrt{\frac{5}{2} } ) , g(x) is decreasing ;

If x = - \sqrt{\frac{5}{2} } , g(x) has <em>minimum</em> value ;

If x ∈ ( - \sqrt{\frac{5}{2} } , 0 ) , g(x) is increasing ;

If x = 0 , g(x) has maximum value ;

If x ∈ ( 0 , \sqrt{\frac{5}{2} } ) , g(x) is decreasing ;

If x = \sqrt{\frac{5}{2} } , g(x) has <em>minimum</em> value ;

If x ∈ ( \sqrt{\frac{5}{2} } , ∞ ) , g(x) is increasing .

⇒ at ( - \sqrt{\frac{5}{2} } , - \frac{9}{4} ) and at ( \sqrt{\frac{5}{2} } , \frac{9}{4} ) , g(x) reaches its minimum

8 0
3 years ago
I am a number less than 3000. When you divide me by 32, my remainder is 30. When you divide me by 58, my remainder 44. What numb
yKpoI14uk [10]
Let Q1 and Q2 be the quotients from dividing 32 and 58 respectively.Then 32 Q1 + 30 = 58 Q2 + 4432 Q1 = 58 Q2 + 1416 Q1 = 29 Q2 + 716 Q1 = (16 + 13)Q2 + 716 Q1 = 16 Q2 + 13 Q2 + 716(Q1 - Q2) = 13 Q2 + 7Because Q1 and Q2 are integers, we have to find Q2 whereby 13Q2 + 7 is divisible by 16.After some try-and-error, we get Q2 = 13.  That is 13*13 + 7 = 176Therefore, Q1 - Q2 = 11  -->  Q1 - 13 = 11  -->  Q1 = 2432*24 + 30 = 58*13 + 44 = 798.I am 798
3 0
3 years ago
The equation y = 7x represents a proportional relationship. What is the constant of proportionality?
Assoli18 [71]

Answer: c. 7

Step-by-step explanation: it’s 7. I got that answer

3 0
4 years ago
HELP! 15 POINTS! 1 QUESTION!
umka2103 [35]

f(x) = 8x-9

substitute 4 in for x

f(4) = 8(4) -9

f(4) = 32 -9

f(4) =23

6 0
4 years ago
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