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LuckyWell [14K]
3 years ago
9

The height distribution of NBA players follows a normal distribution with a mean of 79 inches and standard deviation of 3.5 inch

es. What would be the sampling distribution of the mean height of a random sample of 16 NBA players?
Mathematics
1 answer:
Shtirlitz [24]3 years ago
7 0

Answer:

The probability will be "0.0111".

Step-by-step explanation:

The given values are:

Mean,

\mu = 79

Standard deviation,

\sigma = 3.5

Now,

⇒ \sigma\bar x = \frac{\sigma}{\sqrt n}

         =   \frac{3.5}{\sqrt 16}

         =0.875

⇒ P(\bar x > 81) = 1 - P(\bar x < 81)

So,

= 1 - P{\frac{(\bar x - \mu \bar x )}{ \sigma \bar x}  < \frac{(81 - 79) }{0.875} ]

= 1 - P(z < 2.2857)

= 0.0111

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What is the volume of a hemisphere with a radius of 2.3 m, rounded to the nearest tenth of a cubic meter?
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Step-by-step explanation:

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3 years ago
Jason jogged 2/3 mile in 1/3 hour. What was his speed in miles per hour?
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Answer:

I honestly was having the worst time trying to solve this sorry :(, for real idk if any of these are right

i got 2 answers; 1st: ≈0.5 mph

the 2nd; 2 mph

Step-by-step explanation:

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1/3 hours = 20 minutes

------Make a proportion-----

\frac{3520ft}{20min} = \frac{1 mi=5280 ft}{1hr = 60min}

cross multiply------

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---(this is where i got confused cuz 2 doesn't make any sense)--

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hope i helped :(

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2 years ago
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