1. A tree contains a known percentage po of a radioactive substance with a half - life T. When the tree dies, the substance decays and isn't replaced. If the percentage of the substance in the fossilized remains of such a tree is found to be pt, how long has the tree been dead?

Q: whale's dir

A: In the question we have to draw a graph on the position of the blue whale .   AS PER OUR GUIDLINES…

Q: How do I solve this?

A: given number of people probability 1 0.25 2 0.32 3 ? 4 ? 5 0.07 6 0.03 7+ 0.01…

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Q: Solve the following quadratic equation for all values of x in simplest form. 6 – a? = -8

A:

Q: i cannot see the solution please resend

A:

Q: Step by step how do I solve this problem? Please help.

A: The function may be written as y= f(x) Domain: It is the possible inputs of the function. Here it is…

Q: Ag Art A Wa TT

A: The weight of male babies less than 2months old in the US is normally distributed with mean…

Q: Please solve these problems  thanks

A: Given:   n x¯ s Pick a pair 31 85.2 3.45 Pickled peppers 30 82.1 4.62 Confidence interval…

Q: In a past election, the voter turnout was 57%. In a survey, 934 subjects were asked if they voted in…

A:

Q: In a test of the effectiveness of garlic for lowering cholesterol, 45 subjects were treated with…

A: a. The best point estimate is 5.4 mg/dL. The best point estimate for the population mean net change…

Q: Find the number of roots for the equation. 5x4 + 12x³ – x² + 3x + 5 = 0

A: As we know that the number of roots is equal to the highest power of the polynomial.

Q: How do you solve this problem?

A:

Q: How do I solve this ?

A: GIVEN: 6 - x - x2  if x ≤ 32x - 5         if x > 3

Q: I don't understand the writing like that. Can someone write the solution neatly? Thank you!

A:

Q: could you please write the solution again please

A: The process of decomposing and then integrating a rational fraction integrand with complex terms in…

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Q: How do I solve this ?

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Q: Can you please show how to solve for x and y in step 4.

A: We have to solve for x and y value given in step 4.

Q: Please solve all parts.

A:

Q: how do i solve this?

A: Given that: The table ,

Q: solution is typed off the page

A:

Q: I keep getting stuck trying to solve this please help

A: Recall the following fact.

Q: Can you help me solve #5

A: Given: function and interval.

Q: Please help to solve part e. Thank you!

A:

Q: Find the average rate of change of g(r) = 5x - 1 from z - 2 to z = 1 =D1 =

A: Since you have asked multiple questions in a single request so we will be answering only first…

Q: How do I solve this?

A: 1,2,3....,23,24,25 are called element of set S.  Hence, set S has 25 element which mean n(S) = 25…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.