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dimulka [17.4K]
3 years ago
7

Anarime estimates that of people booked on the fights actually show up in the e books 70 people on a fight for which the maximum

number is as what is the probability at the number of people who show up will exceed the capacity of the plane​
Mathematics
1 answer:
Mandarinka [93]3 years ago
3 0

Answer:

An airline estimates that 94% of people booked on their flights actually show up. If the airline books 77 people on the flight for which the maximum number is 75, what is the probability that the number of people who show up will exceed the capacity of the plane?

-------------------------

Binomial Problem with n = 77 and p = 0.94

---

P(76 <= x <= 77) = 1-P(0 <=x <= 75) = 1 - binomcdf(77,0.94,75) = 0.0504

==================

Cheers,

Stan H.

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Tanya has a $50 gift card to spend on Amazon. She wants an airpod case cover for $12.
ANTONII [103]

Answer:

She can buy 3 bracelets.

Step-by-step explanation:

$50 (Total price) - $12 (Airpod case) = $38

$38 - $9.50 (Bracelets) = $28.5

$28.5 - $9.50 = $19

$19 - $9.50 = $9.5

8 0
3 years ago
For your birthday, you want to take a group of friends to an indoor trampoline
butalik [34]

Answer:

For Skyhigh : 40 friends

For Jump it up : 90 friends

Step-by-step explanation:

Given that :

Maximum spending = $250

SKY HIGH FEES :

Party set up fee = $50 ; Amount paid per person = $2

JUMP IT UP FEES :

Party set up fee = $70 ; Amount paid per person = $2

THEREFORE, the inequality statement to obtain the number of friends for eack trampoline center goes thus:

Party setup fee + Number of persons * fee per person ≤ maximum spending

SKY HIGH:

50 + 5x ≤ 250

5x ≤ 250 - 50

5x ≤ 200

x ≤ 200/5

x ≤ 40

Hence,

Skyhigh can accommodate 90 friends Given the conditions

JUMP IT UP:

70 + 2x ≤ 250

2x ≤ 250 - 70

2x ≤ 180

x ≤ 180/2

x ≤ 90

Jump it up can accommodate up to 90 friends Given the conditions.

4 0
3 years ago
4/5(2x+5)−4=1<br><br> x = 1 1/4<br> x = 1 2/5<br> x = 5/8<br> x = 3 1/5
tia_tia [17]
The answer is x=5/8. The reason for this is when you divide it equal 0.625 then when you multiply that by 2 it equals 1.25. After you do that you add 5 which is 6.25. Now we divide 4/5 which is 0.8. Now, we multiply 6.25x0.8=5. 5-4=1. Therefore your answer is 5/8. Hope this helps :)
5 0
3 years ago
Each team in the softball league plays each of the other teams exactly once. If
Aleks04 [339]
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So you just need to makes a combination of 2 that have a result of 21. If there is t number of teams, the number of matches would be:
tC2 = t!/2!(t-2)! = 21
</span>t! / (t-2)! = 21 *2
(t)(t-1)= 42
t^2 -t -42=0
(t-7)(t+6)
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6 0
3 years ago
The difference of 7 and a number n​
Effectus [21]

Answer:

7 - n

Step-by-step explanation:

4 0
3 years ago
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