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Angelina_Jolie [31]
4 years ago
5

A local bank reported to the federal government that its 5,246 saving accounts have a mean of $1,000 and standard deviation of $

240. government auditors have asked to randomly sample 64 of the bank's accounts to assess the reliability of the mean balance reported by the bank. if the bank information is correct, what is the probability that the sample mean balance would be less than $928?
Business
1 answer:
serious [3.7K]4 years ago
6 0
<span>Find the Z score and use a Z Score Deviation graph. For $928 in a bank account, with mean balance $1000, and SD of $240, the Z-score is [(928-100)/240] = [-0.3] = 0.3. Interpreting the graph, 0.618 or 62% probability that the balance is less than $928.</span>
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Why do you think a reliable scholarly source is always stressed in academic writing?<br><br>​
ivolga24 [154]

A reliable scholarly source is stressed in academic writing because it helps in providing genuine information about the topic that's being discussed.

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  • Furthermore, using reliable scholarly sources help in the improvement of communication and helps in building trust.

In conclusion, it is vital for an individual or researcher to use only credible sources when writing.

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7 0
3 years ago
An undergraduate business student has purchased a laptop computer for use during exams. This laptop is perfectly reliable except
g100num [7]

Answer:

probability of a reliable performance = 19/20

Explanation:

If a new battery has just been installed, then the chances of failure are only contributed by the faulty microchip, which has a failure rate of 1 in 20 hours.

Therefore in 1 hour, the probability that the laptop will perform reliably is calculated as follows:

Chances of failure = 1 in 20

20 hours = 1 chance of failure

∴ 1 hour = 1/20 chance of failure

1/20 = 0.05 chance of failure

Now, let us express 0.05 as fraction:

0.05 = 5/100

Therefore in 1 hour, there is a 5 in 100 chances of failure.

But we are asked to find the probability that the laptop will perform reliably. This is simply done by finding the difference between the total chances of occurrence (100)  and the chances of failure (5)

∴ Probability of reliable performance in one hour = (100 - 5) / 100

= 95/100

95/100 = 19/20

8 0
3 years ago
Plz help me i cant fail this class
Maru [420]
Don’t click on links people send on Brainly it’s a virus
3 0
3 years ago
Hi-Tek is a young start-up company that is currently retaining all of its earnings. The company plans to pay a $2 per share divi
ziro4ka [17]

Answer:

Option (a) is correct.

Explanation:

Given that,

Dividend pay in year 7, D7 = $2 per share

Growth rate of dividend, g = 2.2 percent per year

Required return, ke = 16 percent

Present value of the future dividend at year 6:

= D7 ÷ (ke - g)

= $2 ÷ (0.16 - 0.022)

= $14.49

Therefore, the present value of dividend now is as follows;

= Present value of the future dividend at year 6 × (1 + ke)^{-6}

= $14.49 × (1 + 0.16)^{-6}

= $5.95

5 0
3 years ago
What specific challenges exist in defining the operational requirements for a system of systems configuration? What is meant by
Alex787 [66]

Answer:interoperability : This is the ability of computer system or software to exchange and make use of information. In other words, interoperability is the property that allows the unrestricted sharing of resources between different systems. It can also be defined as the exchange information resources between different computer through local area network (L. A. N) or wide area network (W. A. N)

There are two main types of interoperability

1.syntactic interoperability

2.Semantic interoperability

Examples

Health care:Hospital and laboratory are increasingly adopting new technologies and devices that are driven by sophisticated software which must integrate at the point of care and with electronic system such as electronic media records.

Explanation:

3 0
4 years ago
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