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Alenkinab
6 days ago
6

P(vanilla) =0.3 P(sundae)=0.2 P(vanilla and sundae) =0.15 find the probability that a customer ordered vanilla ice cream given t

hey ordered a sundae. P(vanilla | sundae) =?
Mathematics
1 answer:
Svet_ta [9.4K]6 days ago
6 0

Answer:

0.75

Step-by-step explanation:

P(A | B) = P(A and B) / P(B)

P(vanilla | sundae) = P(vanilla and sundae) / P(sundae)

P(vanilla | sundae) = 0.15 / 0.2

Thus, P(vanilla | sundae) = 0.75

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A merry-go-round has a radius of 18 feet. If a passenger gets on a
Zina [9164]

Answer:

The rotation angle measures 2.11 °

Step-by-step explanation:

Stated as follows:

The radius of the circular path = r = 18 feet

The distance rolled by the wheel = l = 38 feet

Let us denote the angle of rotation as Ф

Now, according to the problem:

∵ the length of an arc at the center corresponds to an angle Ф

Thus,

distance rolled by the wheel = π × radius × \frac{\Theta }{180^{\circ}}

As 180° represents π radians

And π approximates to 3.14

Thus, distance rolled by the wheel = 180 °× radius × \frac{\Theta }{180^{\circ}}

That is l = r × Ф

So, Ф = \frac{l}{r}

Consequently, Ф = \frac{38 feet}{18 feet}

Therefore, Ф = 2.11 °

Thus, the rotation angle is Ф = 2.11 °

Hence, the rotation angle is 2.11 ° Answer

6 0
1 month ago
12x+7<−11 AND5x−8≥4012
Svet_ta [9496]

Answer:

No solution

Step-by-step explanation:

Given: 12x+7 and  5x-8\geq 40

Handle each inequality separately.

12x+7              Utilizing the subtraction property of inequalities

12x

12x

x

x

and

5x-8\geq 40               Utilizing the addition property of inequalities

5x\geq 40+8

5x\geq 48

x\geq \dfrac{48}{5}

Thus, the solution to the combined inequality is the overlap of both solutions.

Refer to the attached image for the number line representation.

No solution

8 0
1 month ago
Read 2 more answers
16.A guidance counselor is planning schedules for 30 students. Sixteen students say they want to take French, 16 want to take Sp
PIT_PIT [9117]

Response: 7

Detailed explanation:

A Venn diagram can help visualize this problem.

There are a total of 5 students interested in both French and Latin.

Out of these, 3 students also want to learn Spanish, meaning only 2 students want solely French and Latin.

Moreover, there are 5 students who wish to study only Latin.

This results in 1 student wanting both Latin and Spanish, calculated by 11 - 5 - 3 - 2.

There are 8 students who desire only Spanish, and 4 students who want both Spanish and French.

In the same manner, those wishing to study only French amount to 16 - 4 - 3 - 2 = 7.

8 0
1 month ago
Read 2 more answers
Elio makes candles that are 14\text{ cm}14 cm14, start text, space, c, m, end text tall. Each candle burns 888 hours before goin
Svet_ta [9496]

Response:

12 Hours

Step-by-step rationale:

h=21/14*8

h=12 hours

5 0
8 days ago
Read 2 more answers
On a separate piece of graph paper, graph y = -|x + 1|; then click on the graph until the correct one appears.
Svet_ta [9496]
The correct option is the third one. In this situation, x+1 being inside "parentheses" indicates that the 1 shifts the graph horizontally, which eliminates option one. Although it states x+1, graphically this implies the opposite shift. Typically, one would expect to move right by one, but due to the "opposite" sign, it actually translates to a leftward movement by one. (Mathematics can be perplexing; I'm not sure why)
7 0
7 days ago
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