There are 12 boys and 18 girls in Mr. Spano's math class. If he randomly calls on three different students for answers to an assignment, what is the probability that all three are girls? 204 1015 36 145 68 315

Q: L(1-a) ( In =) dz 4 1 L6(1-2) ( In =) dr

A:

Q: Conv or dive?

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Q: can I have h?

A: h). n = 81     p = 0.10

Q: PLEASE ANSWER LETTER "D"

A: Experiment has two outcomes only, they follow bernoulli distribution. If the same experiment is…

Q: A-d please

A: Given the data of a survey of 15 teachers who were asked how many paintings they have in their…

Q: dx

A:

Q: Evaluate: -ld. dx 1 2 5.027 2 5.205 2 5.025 2 6.025

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Q: y= ektan

A: y=ek tan x                 y'=ddxe k tan x    =e k tan xddxk tanx…

Q: 10+7=?

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Q: Redo C please

A: .

Q: answer 3.D please

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Q: Find x. * 15 6,

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Q: c) In which unit direction does the graph of z=f(x, y) have its steepest decline at the point (2,3),…

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Q: The sum of E(-1)*1 . is equal to (1/2) 3 n=1 5" F TO

A: SINCE YOU HAVE ASKED MULTIPLE QUESTIONS IN SINGLE REQUEST, WE WILL BE ANSWERING ONLY THE FIRST…

Q: Please answer D

A: (a) Given that the percentage of stadiums have just built in the past 20 years is, P=15%=15/100=0.15…

Q: Answer 20

A:

Q: A= ュC= D=0 FIND AK

A: The given matrix is A=1201213 To find: Ak

Q: Answer unclear

A:

Q: Simplify 3-8=

A: We have given to simplify  3-8=3-3-5 3-8=0-5 3-8=-5

Q: 3&4 please

A: (3) Given that, the normal distribution has a population mean is, μ=50 The expected value of the…

Q: Bottom answer is wrong, please fix

A: Given data :  The speeds of vehicles on a highway with speed limit 110 km/h are normally distributed…

Q: 66 to the nearest 100

A: Find 66 to the nearest 100

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.