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RideAnS [48]
2 years ago
8

Using the hsd test, if there are 16 df associated with mswithin, and α=0.05 and the number of groups = 3, qcrit = _________.

Mathematics
1 answer:
timurjin [86]2 years ago
8 0

The value for QCRIT using the HSD test for groups with subjects in each group will be 3.65.

We have,

Degree of freedom i.e. df = 16,

And,

Number of groups for test = 3,

And,

α = 0.05

And,

The HSD test means Honestly Significant Difference test that determines whether the relationship between two data sets is statistically significant, i.e., used to check differences among sample way for significance.

So,

Here,  

Degree of freedom = 16,

And,

From the HSD table,

Q-critical i.e. QCRIT= 3.65 at level = 0.05

So,

QCRIT is 3.65.

Hence we can say that the value for QCRIT using the HSD test for groups with subjects in each group will be 3.65.

Learn more about QCRIT here

brainly.com/question/28177616

#SPJ4

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A survey reports that the probability a person has blue eyes is 0.10. Assume that 4 people are randomly selected at Miramar Coll
marissa [1.9K]

Answer:

0.344 = 34.4% probability that at least 1 of them have blue eyes.

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they have blue eyes, or they have not. The probability of a person having blue eyes is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

A survey reports that the probability a person has blue eyes is 0.10.

This means that p = 0.1

4 people are randomly selected at Miramar College

This means that n = 4

Find the probability that at least 1 of them have blue eyes.

Either none of them have blue eyes, or at least one do. The sum of the probabilities of these events is decimal 1. So

P(X = 0) + P(X \geq 1) = 1

We want P(X \geq 1). So

P(X \geq 1) = 1 - P(X = 0)

In which

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{4,0}.(0.1)^{0}.(0.9)^{4} = 0.656

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.656 = 0.344

0.344 = 34.4% probability that at least 1 of them have blue eyes.

4 0
3 years ago
The 10th, 4th and 1st term of an A.P are three consecutive find the common ratio of the G.P and the sum of the 6th term, taking
valina [46]

Answer:

S_6 = 252

Step-by-step explanation:

We are told that the 10th, 4th and 1st term of an A.P are three consecutive terms of a G.P.

Now,formula for nth term of an AP is;

a_n = a + (n - 1)d

Thus;

a_10 = a + (10 - 1)d

a_10 = a + 9d

Also;

a_4 = a + (4 - 1)d

a_4 = a + 3d

First term is a.

Thus, since they are consecutive terms of a G.P, it means that;

(a + 9d)/(a + 3d) = (a + 3d)/a

Cross multiply to get;

a(a + 9d) = (a + 3d)(a + 3d)

a² + 9ad = a² + 6ad + 9d²

a² will cancel out to give;

9ad - 6ad = 9d²

3ad = 9d²

Divide both sides by 3d to get;

a = 3d

We are told that the first term is 4.

Thus, 4 = 3d

d = 4/3

We saw earlier that ratio of the GP is (a + 3d)/a

Thus; r = (4 + 3(4/3))/4 = 8/4 = 2

Sum of n terms of a G.P is given by;

S_n = a(rⁿ - 1)/(r - 1)

S_6 = 4(2^(6) - 1)/(2 - 1)

S_6 = 252

8 0
3 years ago
965406000351682.62 in words also 8591000806.36 in words​
jeka57 [31]

Answer:

"nine hundred sixty-five trillion, four hundred six billion, three hundred fifty-one thousand, six hundred eighty-two and sixty-two hundredths."

Thats the only one i know

Step-by-step explanation:

6 0
4 years ago
2(x−3)=8(x−6) what is x?
uysha [10]

Answer: x = 7

Step-by-step explanation:

2x - 6 = 8x - 48

+48

2x + 42 = 8x

-2x

42 = 6x

/6

7 = x

4 0
3 years ago
Read 2 more answers
If y = -4 when x = 1, find y when x = 3
dedylja [7]

Answer: y=-6

Step-by-step explanation:

y = -4 when x = 1

find y when x = 3

y=-4   x=1

y=-5      x=2

y=-6     x=3

im not sure if this is right so I’m sorry

8 0
3 years ago
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