Answer:
the value of x is 29°
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Coach Baron bought 66 pounds of ice cream for the end of year Little League social. There are 8 tams , each with 12 people. If t
2 answers:
we are given
Coach Baron bought 66 pounds of ice cream
so, total amount of ice cream is 66 pounds
firstly , we will change it into ounces
we know that
1 pound = 16 ounces
so,
66*1 pound = 66*16 ounces
66 pounds = 1056 ounces
so,
total amount of ice cream is 1056 ounces
now, we will find total number of people
we have
There are 8 tams , each with 12 people
number of people in each tam is 12
number of tams =8
so,
total number of people = number of tams* number of people in each tam
so, we get
total number of people =12*8
total number of people =96
now, we can find amount of ice cream each person get
Ice cream each person get = (total amount of ice cream)/(total number of people)
so,
Ice cream each person get is
Each person will get ice cream as 11 ounces.........Answer
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Answer:
a) 0.105 = 10.5% probability that it will not be discovered if it has an emergency locator.
b) 0.522 = 52.2% probability that it will be discovered if it does not have an emergency locator.
c) 0.064 = 6.4% probability that 7 of them are discovered.
Step-by-step explanation:
For itens a and b, we use conditional probability.
For item c, we use the binomial distribution along with the conditional probability.
Conditional Probability
We use the conditional probability formula to solve this question. It is
In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
a) If it has an emergency locator, what is the probability that it will not be discovered?
Event A: Has an emergency locator
Event B: Not located.
Probability of having an emergency locator:
66% of 72%(Are discovered).
20% of 100 - 72 = 28%(not discovered). So
Probability of having an emergency locator and not being discovered:
20% of 28%. So
Probability:
0.105 = 10.5% probability that it will not be discovered if it has an emergency locator.
b) If it does not have an emergency locator, what is the probability that it will be discovered?
Probability of not having an emergency locator:
0.5312 of having. So
Probability of not having an emergency locator and being discovered:
34% of 72%. So
Probability:
0.522 = 52.2% probability that it will be discovered if it does not have an emergency locator.
c) If we consider 10 light aircraft that disappeared in flight with an emergency recorder, what is the probability that 7 of them are discovered?
p is the probability of being discovered with the emergency recorder:
0.5312 probability of having the emergency recorder.
Probability of having the emergency recorder and being located:
66% of 72%. So
Probability of being discovered, given that it has the emergency recorder:
This question asks for P(X = 7) when . So
0.064 = 6.4% probability that 7 of them are discovered.