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NemiM [27]
3 years ago
12

The coordinates of the vertices of △JKL are J(1, 4) , K(6, 4) , and L(1, 1) .

Mathematics
2 answers:
Komok [63]3 years ago
7 0

Its actually (Translation 1 unit left) And ( 180 degrees rotation)

gayaneshka [121]3 years ago
5 0
Translation 1 unit left and rotation of 90 degrees counterclockwise
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What should I buy? A study conducted by a research group in a recent year reported that of cell phone owners used their phones i
Llana [10]

Answer:

The probability that seven or more of them used their phones for guidance on purchasing decisions is 0.7886.

<em />

Step-by-step explanation:

<em>The question is incomplete:</em>

<em>What should I buy? A study conducted by a research group in a recent year reported that 57% of cell phone owners used their phones inside a store for guidance on purchasing decisions. A sample of 14 cell phone owners is studied. Round the answers to at least four decimal places. What is the probability that seven or more of them used their phones for guidance on purchasing decisions? </em>

We can model this as a binomial random variable, with p=0.57 and n=14.

P(x=k)=\dbinom{n}{k} p^{k}q^{n-k}

a) We have to calculate the probability that seven or more of them used their phones for guidance on purchasing decisions:

P(x\geq7)=\sum_{k=7}^{14}P(x=k)\\\\\\

P(x=7)=\dbinom{14}{7} p^{7}q^{7}=3432*0.0195*0.0027=0.1824\\\\\\P(x=8) = \dbinom{14}{8} p^{8}q^{6}=3003*0.0111*0.0063=0.2115\\\\\\P(x=9) = \dbinom{14}{9} p^{9}q^{5}=2002*0.0064*0.0147=0.1869\\\\\\P(x=10) = \dbinom{14}{10} p^{10}q^{4}=1001*0.0036*0.0342=0.1239\\\\\\P(x=11) = \dbinom{14}{11} p^{11}q^{3}=364*0.0021*0.0795=0.0597\\\\\\P(x=12) = \dbinom{14}{12} p^{12}q^{2}=91*0.0012*0.1849=0.0198\\\\\\P(x=13) = \dbinom{14}{13} p^{13}q^{1}=14*0.0007*0.43=0.004\\\\\\

P(x=14) = \dbinom{14}{14} p^{14}q^{0}=1*0.0004*1=0.0004\\\\\\

P(x\geq7)=0.1824+0.2115+0.1869+0.1239+0.0597+0.0198+0.004+0.0004\\\\P(x\geq7)=0.7886

7 0
3 years ago
IAnser this pleaseSnss
Goryan [66]

Answer:

Im pretty sure its x< 3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
1 ounce = 28.35 grams <br> • 1 gallon = 3.8 liters <br><br> What is the ratio in ounces per gallon?
antiseptic1488 [7]
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7 0
3 years ago
(3+root3)(3-root 2) is equal t<br><br><br><br> Pls its urgent
olganol [36]

Answer:

9 - √6

Step-by-step explanation:

(3 + √3)(3 - √2) ➡ 9 - 3√3 + 3√3 - √6

9 - √6

7 0
3 years ago
Can you tell i'm panicking? ^^"
Archy [21]
ANSWER:
The right option is d)
As 5*1=5
5*3=15
5*4=20

HOPE IT HELPS!!!!!
PLEASE MARK BRAINLIEST!!!!
4 0
3 years ago
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