People enter a coffee shop at a rate of 1 person every 3 minutes. What is the probability that no one enters between 12:00 and 12:12? Select one: O a. 0.0183 O b. 0.0256 O c. 0.0457 d. 0.0747

I need help with j through p please

Subtract. 9. -4- 6.

Simplify. 4x 2 + 3x - 10 x² 8 +² + 3x - 10

thanks brudda

First image is the word problem context. Please answer PART F from second image. Please show all steps and explain with clear handwriting. No cursive if possible.

Widget Sales Jesaki Inc. is trying to enter the widget market. The research department established the following price-demand, cost, and revenue functions: p(x) = 60 1.20x Price- demand function Cost function C(x) = 210 + 12x R(x) = xp(x) = x(60 - 1.20x) where x is in thousands of widgets and C(x) and R(x) are in thousands of dollars. The price p(x) is the price in dollars of one widget when the demand is a thousand widgets. All three functions have domain 1 ≤ x ≤ 50. Revenue function

Need a simplified version.

I actually need help with number 37.

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 3 days and a standard deviation of 1.5 days. Let X be the recovery time for a randomly selected patient. Round all answers to 4 decimal places where póssible. a. What is the distribution of X? X - N( b. What is the median recovery time? days c. What is the Z-score for a patient that took 4.6 days to recover? d. What is the probability of spending more than 2.1 days in recovery? e. What is the probability of spending between 2.4 and 3 days in recovery? f. The 70th percentile for recovery times is days.