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KATRIN_1 [288]
1 year ago
9

Suppose that we ask n randomly selected people whether they share your birthday. (a) Give an expression in terms of n for the pr

obability that no one shares your birthday (ignore leap years). (b) What is the least number of people we need to select so that the probability is at least 0.8 that at least one person shares your birthday? (Round your answer up to the nearest integer.) people
Mathematics
1 answer:
expeople1 [14]1 year ago
3 0

plz mark brainly

plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

plz?

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Now Cathy is three times as old as Katie. In six years Cathy will be only twice as old as Katie. How old is each girl now?
klasskru [66]

Answer:

6 and 18

6+6=12

18+6=24

12x2=24

Unless a number is given it is mainly trial and error so guessing numbers that fit the first part of Ax3=B

Step-by-step explanation:

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The cost of hiring a surfboard involves an up-front fee plus an hourly rate. Three hours of hire costs $50 and 7 hours costs $90
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Trapezoid $RSTU$ is a cross section of a lampshade. The diagonals of $RSTU$ are congruent, and the measure of $\angle S$ is $112
Alexxandr [17]

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112°

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Given that the diagonals of trapezoid RSTU are congruent, it is an Isosceles Trapezoid.

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3 0
1 year ago
L
GaryK [48]

Answer:

the answer is $5,000

Step-by-step explanation:

the question is asking what the initial value of the painting is and in the equation, they are trying to find out how much the painting will cost after t years. the 1.098 is how much the painting decreases each year and it is being multiplied by &5000 so $5000 is the original value of the painting.

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1 year ago
A hair stylist knows that 87% of her customers get a haircut and 40% get their hair colored on a regular basis. Of the customers
kvv77 [185]

Answer:

Okay so!

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