7. There are two lifeguard stations along the shoreline. Station B is 50 meters east of station A. A troubled swimmer is spotted by lifeguards at both stations. If the troubled swimmer is spotted at a 35° angle from the guard at station A and a 41° angle from station B (swimmer between A and B), which lifeguard is the shortest distance from the swimmer? By how many meters?

Q: Evaluate I = dr 9 + 16x6

A: To evaluate the integral.

Q: Subtract 16 from 44. The difference is

A:

Q: Find X, 11.25x+925=45.50x

A:

Q: do 18

A: Given one-parameter family of equation isy2−2y=x2−x+cDifferentiating the above equation with respect…

Q: Last 2 please

A: Given :  The mass of a whiffle ball varies usually between 40 and 50 grams. You decide to gather a…

Q: 7x da x2 + 14x + 40

A: Given,           ∫7xx2+14x+40 dx

Q: determine the value of 25P2.

A:

Q: 7- 2t 2. 1.

A: This is a problem of differentiation. Based on the general formual we will answer the question.

Q: 30x + 25 = 85

A: The given equation is 30x + 25 = 85.

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: can you answer D also please ?

A: Given that, μ=85,σ=24n=36 (a) According to the central limit theorem, as the sample (n>30) is…

Q: what is 2 times 54?

A: We have compute 2 times 54 that 2×54. Hence, 2×54=108

Q: 4A please

A: The given statement is false.

Q: Evaluate 7 + 5x, for x = 10

A: Evaluate 7 + 5x, for x = 10

Q: could yo do the next 3 please

A: Given F(t) = t3 ; 0<t<1 The probability density function will be: f(t) = ddt F(t)=3t2 The…

Q: 8+90=

A: It is given that 8+90.

Q: 4x3(divied by 13=

A:

Q: Answer 2

A:

Q: 36 please

A: Given rt=cost i +sint j +2t k  ,  t=π3

Q: _*3 = 234. %3D

A:

Q: Can you answer D plz

A: We need to determine which of the sales, 170 CDs or 200 CDs, yields a higher revenue.

Q: 4=2v-14

A: The given equation is,

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.