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Anna [14]
3 years ago
6

A rocket launches upward off of a 18 ft platform with an initial velocity of 125 ft/sec creating the equation begin mathsize 18p

x style p left parenthesis t right parenthesis equals negative 16 t squared plus 125 t plus 18 end style where p(t) represents the position of the rocket based on time, and t represents time.
What is a realistic range for this problem?
Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
6 0
Um i this is not my level
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If the scientist is accurate, what is the probability that the proportion of airborne viruses in a sample of 477 viruses would d
melisa1 [442]

Answer:

0.01596

Step-by-step explanation:

A scientist claims that 8% of the viruses are airborne

Given that:

The population proportion p = 8%

The sample size = 477

We can calculate the standard deviation of the population proportion by using the formula:

\sigma_p = \sqrt{\dfrac{p(1-p)}{n}}

\sigma_p = \sqrt{\dfrac{0.8(1-0.8)}{477}}

\sigma_p = \sqrt{\dfrac{0.0736}{477}}

\sigma_p = 0.02098

The required probability can be calculated as:

P(| \hat p - p| >  0.03) = P(\hat p - p< -0.03 \ or \  \hat p - p > 0.03)

= P \bigg ( \dfrac{\hat p -p }{\sqrt{\dfrac{p(1-p)}{n}}} < -\dfrac{0.03}{0.0124}  \bigg ) +  P \bigg ( \dfrac{\hat p -p }{\sqrt{\dfrac{p(1-p)}{n}}} >\dfrac{0.03}{0.0124} \bigg )

= P(Z < -2.41) + P(Z > 2.41)

= P(Z < -2.41) + P(Z < -2.41)

= 2P( Z< - 2.41)

From the  Z-tables;

P(| \hat p - p| >  0.03) = 2 ( 0.00798

P(| \hat p - p| >  0.03) = 0.01596

Thus, the required probability = 0.01596

3 0
3 years ago
Carly purchased 9.5 pints of ice cream for a party. If each guest will be served exactly 3/5 pints of ice cream, what is the gre
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Answer: 15 guests

Explanation: To get this, you do 9.5/0.6 and that'll give you 15.833333 etc.. however since it is not a complete 16 you round down and get 15 guests.
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What is the answer? Solve for v if it isn’t there.
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Answer:

v=8

Step-by-step explanation:

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HELPPP I DONT KNOW WHAT TO DOO
Maslowich

Answer:

Just do this...

Step-by-step explanation:

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Each statement describes a transformation of the graph of f(x) = x. Which statement correctly describes the graph of g(x) if g(x
Yuri [45]

Answer: C. It is the graph of f(x) shrunk horizontally by a factor of 6.

Step-by-step explanation:

When we multiply a function’s input by a positive constant, we get a function whose graph is stretched or compressed horizontally in relation to the graph of the original function. If the constant is between 0 and 1, we get a horizontal stretch; if the constant is greater than 1, we get a horizontal compression of the function.

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