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schepotkina [342]
2 years ago
3

Defects in computer hard-drives will usually render the entire computer worthless. For a particular model, the percent defective

in the past has been 1%. If a sample size of 400 is taken, what would the 95.5% lower control chart limit be?
A. 0.00995
B. 0.09550
C. 0.00000
D. 0.01000
E. 0.00005
Business
1 answer:
Dmitry [639]2 years ago
7 0

Answer:

E. 0.00005

Explanation:

Here Average Fraction defective, p = 1% = 0.01

95.5% deviation means 2x

x = sqrt{x*(1 - x)/n)}

  = sqrt{0.01*(1 - 0.01)/100}

  = 0.00995

LCL = p - 2x

      = 0.01 - 0.00995

      = 0.00005

Therefore, The 95.5% lower control chart limit be 0.00005

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Bess wrote four checks last month, and these were the only transactions for her checking account. According to her check registe
Rzqust [24]
It looks tricky but its actually simple. Bank statement shows balance is $1054.13 while Bess check register shows $869.96. For us to know the amount of the check that was not approved is to get the difference of the bank statement and Bess check register. $1054.13 minus 869.96 is $184.17. Therefore, the answer is letter B.
5 0
2 years ago
Svetlana won $1,000,000 in a contest, to be paid in twenty $50,000 payments at yearly intervals, the first payment paid at the t
goldfiish [28.3K]

Answer: 31155.5

Explanation:

The following can be deduced from the question:

Money won = $1,000,000

Installments made yearly = $50,000

Interest rate = 5%

The yearly deposits made by Svetalana will be: = 500000-x

The future Value of the yearly deposits made by Svetalana will be:

= (50000-x) × (1/(1.05) + (1/(1.05)^2 .....(1/(1+0.05)^20))

= (500000-x) × 33.066

We should recall that the interest from the question is equated to x. This will be:

33.066 × (50000-x) × 0.05 =x

1.6533(50000 - x) = x

82665 - 1.6533x = x

2.6533x = 82665

x = 82665/2.6533

x = 31155.5

7 0
2 years ago
Juanita's credit card has an APR of 22%, calculated on the previous monthly
miv72 [106K]

Answer: $322,65

Explanation:

5 0
2 years ago
On January 1, 20Y2, Hebron Company issued a $175,000, five-year, 8% installment note to Ventsam Bank. The note requires annual p
Olegator [25]

Answer and Explanation:

The journal entries are shown below:

1. Cash Dr $175,000

     To note payable $175,000

(being note payable is issued)

2. Interest expense Dr (8% of $175,000) $14,000

        To interest payable $14,000

(being interest expense is recorded)

3. Interest payable $14,000

Note payable $29,830

       To cash $43,830

(being cash paid is recorded)

4. Interest expense $6,253

          To interest payable $6,253

(being interest expense is recorded)

5.  Interest payable $6,253

Note payable $37,577

       To cash $43,830

(being cash paid is recorded)

4 0
2 years ago
Dave and Ellen are newly married and living in their first house. The yearly premium on their homeowner’s insurance policy is $6
vfiekz [6]

Answer:

The answers are:

A) 4.23 years

B) 1.08 years

C) Off course I would recommend Dave and Ellen to install these safety items, not only because they save money but also because they are very useful.

Explanation:

The cost of the deadlocks including installation is $110 for each exterior door ($220 total). The cost for installing smoke detectors is $24 for each floor ($48 total).

The discount that Dave and Ellen can get is

  • $52 per year for installing the deadlocks
  • $26 per year for installing the smoke detectors

A) It will take Dave and Ellen 4.23 years ($220/$52) to recover the money spent on the deadlocks.

B) It will take Dave and Ellen 1.08 years ("26/$24) to recover the money spent on the smoke detectors.

3 0
2 years ago
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