9:4 (b). The numbers 3, 2, 5.8, 7.9 and 4.5, have frequencies x, (x + 2), (x + 3) and (x + 6) respectively. If the arithmetic mean is 4.876, find the value of x.

Q: 5.75(+/- 0.03) + 0.833 (+/- 0.002) - 8.021 (+/- 0.001) = ? Select one: a. -1.438 (+/- 0.027) b.…

A:

Q: f the values of the variable X are 2, 3, 4, 5 and P(x=x) 0.20, 0.30 ,0.20, 0.30, respectively, which…

A: Given data, X P(X=x) 2 0.20 3 0.30 4 0.20 5 0.30   E(X)=?

Q: Where did you get the 4/20, 6/20, and 8/20. What is your reasoning for using these values?

A: For a probability distribution :  Mean :  E(x) = x*P(x)  P(x) = Probability of x = x/total  We know…

Q: Hao kept careful records of how much time he spend doing different activities over the last 3 weeks…

A: Hao given two pie chart in which activities are shown according to the time of day1st pie chart ( %…

Q: Given: 4 = 43,0 3. What is the raw score when:

A: Let X be the raw score from normal distribution with mean (μ) = 45 and standard deviation      (σ) =…

Q: What is the rule for this input output table?

A:

Q: Suppose that P(E)=0.76, P(F)= 0.45, and P(E and F) = 0.32. What is P(E or F)? P(E or F) (Simplify…

A:

Q: I found this question on the internet. Can this be calculated P(A|B) and P(Ac|Bc)? I am used to…

A: The objective of this question is to calculate the conditional probabilities P(A|B) and P(Ac|Bc)…

Q: The table shows the percent change in population from 2000 through 2006 for selected states. (a)…

A: The data is given as-StatePercentage ChangeState A3.3State B1.5State C-4.2State D1.3State E-1.1State…

Q: What is the frequency of the note 6 ​half-steps below middle A​ (which has a frequency of 437 ​cps)?…

A: The basic formula for the frequencies of the notes of the equal tempered scale is given by Fn =f0…

Q: Given the following: P(A) = 0.22, P(B) = 0.46, with A and B independent. Find: P(A or B) 0.5788…

A: P(A)=0.22P(B)=0.46A and B are independent soP(A and B)=P(A)*P(B)

Q: If P(A) = 0.5 and P(B) = 0.80, then P(A or B) must be 0.95.   TRUE or FALSE

A: From the provided information, P (A) = 0.5 and P (B) = 0.80

Q: how did you find the mean? why is it 72.5

A: Given data :  The observation in increasing order is 30, 40, 50, 50,50, 55, 55, 55, 60, 65, 70, 70,…

Q: (e) Show that 962 = 0.04292, assuming a constant force of decrement for each decrement. *(1) (f)…

A: To calculate q62(1) assuming a constant force of decrement, you can use the formula for the force of…

Q: supposed to find the geometric mean of 14 and 6. I got 9.165..., but my teacher said it should be…

A: The given question is taken from the sequence and series in which we have to find the geometric mean…

Q: ● ● (2) Make a frequency table to show the frequency with which you chose each response. (3) From…

A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts…

Q: Find P (z > 2.59)

A: We have to find  P (z > 2.59) = ?

Q: What's the equation to find the frequency in excel sheets?

A: Frequency function can be used to find frequencies in Excel sheets. The frequency function…

Q: If P(A)=.62, P(B) = .47, and P(AUB)=.88; then P(AB)= .1.970 b. 210 670 8291 B

A:

Q: Find the sound level of a whisper with a sound intensity of 5.2x10-10 72.16 27.16 0.2716 27.32

A:

Q: ☐True ☐FalseThe numerator in a t-ratio reflects the central tendency of the difference between what…

A:

Q: If P(A) = 0.3 0.4 1.2 0.2 0.7, P(AUB) = 0.9 and P(B) = 0.5, the value of P(AB) is

A: PA∪B=0.9PA=0.7PB=0.5

Q: where did  you get 0.5 from

A: The mean of the distribution, The standard deviation of the distribution,

Q: Evaluate e3.32.

A: e3.32=e3.32

Q: Round your answer to the nearest tenth. 9.2 16.5

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Q: (21)8=... Select one: (10010)2 a. b. (1001)2 (10001)2 C.

A: Here convert the number (21)8, into base 2 number.

Q: There are eight markers in a box. We have 40 markers at our table. How many boxes do we have

A: number of markers in one box=8  number of markers in two box = 8+8=16 number of markers in three…

Q: P(A) = .2000 %3D P(B) = .1000 %3D P(A | B) = .2500 Find P(A and B).

A: We have given that, P(A) = 0.2000 ,   P(B) = 0.1000 and  P(A/B) = 0.2500   We know that, P(A/B) =…

Q: Explain the difference between 1. ̅ 3 and 1.3.

A: The given number is, 1.3 When a bar is put above a digit then it represents the recurring of the…

Q: Earthquakes On January 23, 2001, an earthquakeregistering 7.9 hit western India, killing more…

A: The intensity I1 and I2 with magnitudes M1 and M2 respectively can be compared using the formula…

Q: Spiderman swings back and forth on a long web cord. His friend Mary Jane notices in amazement that…

A: We have to  (a) Find what is the frequency (in hertz) of Spiderman's swing.  (b) Find how long is…

Q: Find the average of 1/2, 1/3 , and1/4

A:

Q: Evaluate the following arithmetic expression as a single number with 5 significant figures. You must…

A: Evaluate the following arthmetic expression as a single number with 5 significant figures.

Q: 3 V10 - 3.2

A:

Q: (07.04 LC) Mellie is conducting a test on mold spores on bread. She uses 6 slices of bread to…

A: The random variable is Bread. There are two dependent samples which are Number of Spots for Strain 1…