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morpeh [17]
3 years ago
7

Find the p​-value in a test of the claim that the mean College Algebra final exam score of engineering majors equal to​ 88, give

n that the test statistic is zequals1.50.

Mathematics
1 answer:
Orlov [11]3 years ago
8 0

Answer: 0.9332.

Step-by-step explanation:

Claim : College Algebra final exam score of engineering majors equal to​ 88.

Given that : The  test statistic is z equals to 1.50.

To find the  p​-value (Probability value), we use standard normal distribution table, and search the p-value corresponds to the z-score.

In a Standard Normal Distribution Table below, the p-value corresponds z equals 1.5 is 0.9332.

Hence, the p​-value is  0.9332.

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4 0
3 years ago
50674136.0 round to the nearest hundreds​
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7 0
3 years ago
Suppose that X is a random variable that has a binomial uncertainty distribution with parameters n = 10 and π = 0.4. Calculate t
swat32

The numerical values of the mean and standard deviation are 4 and 1.55, respectively

<h3>The numerical value of the probability that x = 6. </h3>

The given parameters are:

n = 10

π = 0.4

The probability is then calculated as:

P(x) = ^nC_x * \pi^x *(1-\pi)^{n-x}

So, we have:

P(6) = ^{10}C_6 * 0.4^6 *(1-0.4)^4

Apply the combination formula

P(6) = \frac{10!}{6!4!} * 0.4^6 *0.6^4

So, we have:

P(6) = 210 * 0.4^6 *0.6^4

Evaluate

P(6) = 0.1115

Hence, the numerical value of the probability that x = 6 is 0.1115

<h3>The numerical values of the mean and standard deviation </h3>

The mean value is:

\bar x = n\pi

This gives

\bar x = 10 * 0.4

\bar x = 4

The standard deviation value is:

\sigma = \sqrt{\bar x(1-\pi)

This gives

\sigma = \sqrt{4(1-0.4)

\sigma = 1.55

Hence, the numerical values of the mean and standard deviation are 4 and 1.55, respectively

Read more about mean and standard deviation at:

brainly.com/question/16030790

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8 0
2 years ago
RR3-03 A posted speed limit of 55 mph means (Select the one BEST answer from the choices provided.) 8-2/43
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A posted speed limit of 55 mph means that: You may drive 55 mph only under favorable conditions.

<h3>What is the speed limit?</h3>

Speed limits on road traffic, as used basically to set the legal maximum speed at which vehicles are permitted to utilize on a given stretch of road.

Now generally, speed limits are normally indicated on traffic signs reflecting the maximum allowable speed in kilometers per hour (km/h) or eevn miles per hour (mph). They are primarily set by the legislative bodies of national or provincial governments and then enforced by law enforcement agencies. This suggests that speed limits varies from road to road and is even absent in some certain areas.

Now, in this question we are told that the posted speed limit is 55 mph. Thus, from our definitions of speed limits above it is clear that A posted speed limit of 55 mph means that: You may drive 55 mph only under favorable conditions.

Read more about Speed Limit at; brainly.com/question/6457873

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4 0
2 years ago
A group of 10 friends are in line to see a movie. The table shows how much different groups will pay in all. ​Predict how much t
slega [8]

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Step-by-step explanation:

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3 years ago
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