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Oksana_A [137]
2 years ago
7

It seemed like the graduation speech would last forever. Tyler leaned over to his father and asked in a discreet whisper, ''What

time is it now?'' His father told him it was one-fourth of an hour after the last time he asked. If it was 1:15 p.m. the last time he asked, what time is it now?
Mathematics
1 answer:
NeX [460]2 years ago
4 0

Answer:

1:30 pm

Step-by-step explanation:

1/4 of an hour is 1/4 of 60 minutes, or 15 minutes

15 minutes past 1:15 would be 1:30 pm

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Question Help When purchasing bulk orders of​ batteries, a toy manufacturer uses this acceptance sampling​ plan: Randomly select
horrorfan [7]

Answer:

The probability is P(X  \le 2 ) = 0.9072

The company will accept 90.72% of the shipment and will reject (100 -90.72) =  9.2\% of the shipment , so many of the shipment are rejected

Step-by-step explanation:

From the question we are told that

   The  sample size is  n =  36

   The  proportion that did not meet the requirement is  p =  0.03

Generally the probability that the whole shipment is accepted is equivalent to the probability that there is at most 2 batteries that do not meet the requirement , this is mathematically represented as

     P(X  \le 2 ) = [ P(X =  0 ) +  P(X =  1 ) + P(X = 0)]

=>   P(X  \le 2 ) = [ [^{n}C_0 * (p)^{0} *(1-p)^{n-0} ] +  [^{n}C_1 * (p)^{1} *(1-p)^{n-1} ] +  [^{n}C_2 * (p)^{2} *(1-p)^{n-2} ]]

Here C stands for Combination (so we will be making the combination function in our  calculators )

So

=> P(X  \le 2 ) = [ [^{36}C_0 * (0.03)^{0} *(1-0.03)^{36-0} ] +  [^{36}C_1 * (0.03)^{1} *(1-0.03)^{36-1} ] +  [^{36}C_2 * (0.03)^{2} *(1-0.03)^{36-2} ]]

=> P(X  \le 2 ) = [ [1 * 1 * 0.3340  ] +  [36* 0.03 *0.3444 ] +  [630 * 0.0009 *(0.355 ]]

=>P(X  \le 2 ) = 0.9072

The company will accept 90.72% of the shipment and will reject (100 -90.72) =  9.2\% of the shipment , so many of the shipment are rejected

 

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If Kaylee can type 408 words in 4 minutes, <br> how many words can she type in 24 minutes?
miv72 [106K]

Answer: When you divide 408 by 4 You will get 102.

Step-by-step explanation:

408/4 =102

I need Airtime

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If you want to help me then message me through

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Answer: 2395.2

Step-by-step explanation:

25/2395  25/59=2 25/98=3 25/238=9 25/130=5 decimal point then bring down 0 =2395.2

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