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WINSTONCH [101]
4 years ago
5

A simple random sample of 100 men is chosen form a population with mean height 71 in and standard deviation 2.5 in. What is the

probability that the average height of the men in the sample is less than 70.5in?
Mathematics
1 answer:
ankoles [38]4 years ago
5 0

Answer:

2.28%

Step-by-step explanation:

The z score is used to determine how many standard deviations that the raw score is above or below the mean. If the z score is positive then the raw score is above the mean and if it is negative then it is below the mean. It is given by:

z=\frac{x-\mu}{\sigma}\\ \\\mu = mean, \sigma=standard\ deviation,x=raw\ score\\\\For\ a\ sample\ n\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\For\ x

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Firdavs [7]

Q= Analysts determined that a baseball team had a 25% chance of winning its next game. Which simulation could you use to answer questions about winning the game?

Answer:

<u>For this question,  there is a 75% chance of loosing.</u>

<h3><em><u>In a similar question .........</u></em></h3>

Q= Analysts determined that a basketball team had a 50% chance of winning its next game. Which simulation could you use to answer questions about winning the game?  

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<u>So we should use a simulation that also has the same posiblities. </u>

<u> so flipping a coin can be used in this situaouion </u>

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<h3><u>Therfore the answer is 75% because if you see the answer and question to the example I have proivedand see how you get that answer you will undrestnad the promblem you have. </u></h3>

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5 0
4 years ago
Joey is standing on a diving board that is 5.6 feet above sea level. Joey dives into the water to a depth of -8.6 feet below sea
pashok25 [27]

Answer:

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Step-by-step explanation:

6 0
3 years ago
(30 point!)
Elden [556K]

Step-by-step explanation:

58 ,43 and 82 thats rhe answer if you have any questions please let me know

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Can someone please help me with is ixl?.
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Answer:

They sold 10 bouquets on the second day.

Step-by-step explanation

6 0
4 years ago
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