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quester [9]
3 years ago
15

On a backpacking trip through Europe, Troy spent 20 Swiss francs to stay one night in a youth hostel. If the foreign exchange ra

te between the U.S. dollar and the Swiss franc is 1:2.2, how much did Troy spend in U.S. dollars?
A.) $44
B.) $9.09
C.) $19
D.) $20
Mathematics
2 answers:
Leya [2.2K]3 years ago
5 0

Answer:

9.09

Step-by-step explanation:

9.09 us dollars

g100num [7]3 years ago
3 0
Troy spent $9.09 on his backpacking trip to Europe
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Assume that when an adult is randomly​ selected, the probability that they do not require vision correction is 23​%. If 6 adults
KiRa [710]

Answer:

 P(X = 2) = 0.27894

Step-by-step explanation:

Given:

- The probability that no vision correction is required p = 0.23

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Solution:

- We will declare a random variable X is the umber of adults out of 6 that do  not require vision correction. X follows a Binomial distribution:

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- The probability required is P ( X = 2 )

- Using the pmf of binomial distribution we have:

                           P(X = 2) = 6C2 * (0.23)^2 * (0.77)^4

                           P(X = 2) = 15 * 0.0529 * 0.35153041

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7 0
3 years ago
Am I correct on number 3
mrs_skeptik [129]
Yes your correct tttttttttttttttttttttttttttttttttttttttttttttttttttttttttt
                                                                               
4 0
3 years ago
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OLEGan [10]

The correct answer is A.d* log_ba

Step-by-step explanation:

According to the power rule for logarithms, the logarithm of a power can be simplified by writing it as the product of the exponent multiplied by the logarithm of the base.

For example;

log_b(M^n)=nlog_bM

Hence in this case,

log_ba^d=d*log_ba

Learn More

Logarithms : brainly.com/question/11535704

Keyword : log

#LearnwithBrainly

4 0
3 years ago
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