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Verdich [7]
2 years ago
15

A compound event consists of a certain event, an event with probability 1/4, and then an impossible event. What is the probabili

ty of the compound event?
0
1/4
1
Mathematics
2 answers:
Verdich [7]2 years ago
3 0
Thank you for posting your question here at brainly. Feel free to ask more questions.   
<span>
The best and most correct answer among the choices provided by the question is 0 (zero)</span>.          <span>
<span>
Hope my answer would be a great help for you. </span> </span>
Vitek1552 [10]2 years ago
3 0
Hello there.

<span>A compound event consists of a certain event, an event with probability 1/4, and then an impossible event. What is the probability of the compound event?

Answer: </span><span>0</span>
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Step-by-step explanation:

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A random sample of 64 bags of white cheddar popcorn weighed, on average, 5.23 ounces with a standard deviation of 0.24 ounce.
emmasim [6.3K]

Answer:

We conclude that cheddar popcorn weighed less than 5.5 ounces.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ =5.5 ounces

Sample mean, \bar{x} = 5.23 ounces

Sample size, n = 64

Alpha, α = 0.05

Sample standard deviation, σ = 0.24 ounce.

First, we design the null and the alternate hypothesis

H_{0}: \mu = 5.5\text{ ounces}\\H_A: \mu < 5.5\text{ ounces}

We use One-tailed z test to perform this hypothesis.

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{5.23 - 5.5}{\frac{0.24}{\sqrt{64}} } = -9

Now, z_{critical} \text{ at 0.05 level of significance } =-1.645

Since,  

z_{stat} < z_{critical}

We reject the null hypothesis and accept the alternate hypothesis. Thus, we conclude that cheddar popcorn weighed less than 5.5 ounces.

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3 years ago
Three friends all have ages that are consecutive integers. The sum of their ages is 48. what is the age of the eldest friend?
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Answer:

C.17 years old

Step-by-step explanation:

consecutive means that they come after each other

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Sorry if my writing is sloppy

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